55326236523 has 32 divisors (see below), whose sum is σ = 77464537920. Its totient is φ = 35092316160.

The previous prime is 55326236519. The next prime is 55326236593. The reversal of 55326236523 is 32563262355.

It is not a de Polignac number, because 55326236523 - 2² = 55326236519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55326236513) 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, 764515 + ... + 833747.

It is an arithmetic number, because the mean of its divisors is an integer number (2420766810).

Almost surely, 2^55326236523 is an apocalyptic number.

55326236523 is a deficient number, since it is larger than the sum of its proper divisors (22138301397).

55326236523 is a wasteful number, since it uses less digits than its factorization.

55326236523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69439.

The product of its digits is 972000, while the sum is 42.

Adding to 55326236523 its reverse (32563262355), we get a palindrome (87889498878).

The spelling of 55326236523 in words is "fifty-five billion, three hundred twenty-six million, two hundred thirty-six thousand, five hundred twenty-three".