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55270653 = 318423551
BaseRepresentation
bin1101001011010…
…1110011111101
310212000001002020
43102311303331
5103122130103
65252350353
71240535634
oct322656375
9125001066
1055270653
1129220729
12166153b9
13b5b2439
1474aa51b
154cbb753
hex34b5cfd

55270653 has 4 divisors (see below), whose sum is σ = 73694208. Its totient is φ = 36847100.

The previous prime is 55270651. The next prime is 55270661. The reversal of 55270653 is 35607255.

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.

It is a cyclic number.

It is not a de Polignac number, because 55270653 - 21 = 55270651 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55270651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9211773 + ... + 9211778.

It is an arithmetic number, because the mean of its divisors is an integer number (18423552).

Almost surely, 255270653 is an apocalyptic number.

It is an amenable number.

55270653 is a deficient number, since it is larger than the sum of its proper divisors (18423555).

55270653 is a wasteful number, since it uses less digits than its factorization.

55270653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18423554.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 55270653 is about 7434.4235149741. The cubic root of 55270653 is about 380.9180319806.

The spelling of 55270653 in words is "fifty-five million, two hundred seventy thousand, six hundred fifty-three".

Divisors: 1 3 18423551 55270653