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55302529 = 59937331
BaseRepresentation
bin1101001011110…
…1100110000001
310212001122210211
43102331212001
5103124140104
65253154121
71241030602
oct322754601
9125048724
1055302529
1129242677
121662b941
13b5c3ab9
1474b7da9
154cc5e04
hex34bd981

55302529 has 4 divisors (see below), whose sum is σ = 56239920. Its totient is φ = 54365140.

The previous prime is 55302523. The next prime is 55302571. The reversal of 55302529 is 92520355.

55302529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92520355 = 518504071.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55302529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55302529.

It is not an unprimeable number, because it can be changed into a prime (55302523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468607 + ... + 468724.

It is an arithmetic number, because the mean of its divisors is an integer number (14059980).

Almost surely, 255302529 is an apocalyptic number.

55302529 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

55302529 is a deficient number, since it is larger than the sum of its proper divisors (937391).

55302529 is an equidigital number, since it uses as much as digits as its factorization.

55302529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937390.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55302529 is about 7436.5670171121. The cubic root of 55302529 is about 380.9912462999.

The spelling of 55302529 in words is "fifty-five million, three hundred two thousand, five hundred twenty-nine".

Divisors: 1 59 937331 55302529