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55325401 = 71779231
BaseRepresentation
bin1101001100001…
…1001011011001
310212002211011221
43103003023121
5103130403101
65253452041
71241154355
oct323031331
9125084157
1055325401
112925887a
1216641021
13b601331
1474c2465
154cccaa1
hex34c32d9

55325401 has 4 divisors (see below), whose sum is σ = 56104704. Its totient is φ = 54546100.

The previous prime is 55325381. The next prime is 55325407. The reversal of 55325401 is 10452355.

55325401 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.

It is a cyclic number.

It is not a de Polignac number, because 55325401 - 27 = 55325273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55325407) 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, 389545 + ... + 389686.

It is an arithmetic number, because the mean of its divisors is an integer number (14026176).

Almost surely, 255325401 is an apocalyptic number.

It is an amenable number.

55325401 is a deficient number, since it is larger than the sum of its proper divisors (779303).

55325401 is an equidigital number, since it uses as much as digits as its factorization.

55325401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779302.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55325401 is about 7438.1046644962. The cubic root of 55325401 is about 381.0437624681.

Adding to 55325401 its reverse (10452355), we get a palindrome (65777756).

The spelling of 55325401 in words is "fifty-five million, three hundred twenty-five thousand, four hundred one".

Divisors: 1 71 779231 55325401