55235165321523 has 32 divisors (see below), whose sum is σ = 80899861996800. Its totient is φ = 33243543020160.

The previous prime is 55235165321513. The next prime is 55235165321551. The reversal of 55235165321523 is 32512356153255.

It is not a de Polignac number, because 55235165321523 - 2¹⁸ = 55235165059379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55235165321513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20134236 + ... + 22712502.

It is an arithmetic number, because the mean of its divisors is an integer number (2528120687400).

Almost surely, 2^{55235165321523} is an apocalyptic number.

55235165321523 is a deficient number, since it is larger than the sum of its proper divisors (25664696675277).

55235165321523 is a wasteful number, since it uses less digits than its factorization.

55235165321523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582787.

The product of its digits is 4050000, while the sum is 48.

The spelling of 55235165321523 in words is "fifty-five trillion, two hundred thirty-five billion, one hundred sixty-five million, three hundred twenty-one thousand, five hundred twenty-three".