55331302523 has 16 divisors (see below), whose sum is σ = 66644593920. Its totient is φ = 44876262816.

The previous prime is 55331302489. The next prime is 55331302541. The reversal of 55331302523 is 32520313355.

It is not a de Polignac number, because 55331302523 - 2¹² = 55331298427 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 55331302523.

It is not an unprimeable number, because it can be changed into a prime (55331301523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141536 + ... + 361517.

It is an arithmetic number, because the mean of its divisors is an integer number (4165287120).

Almost surely, 2^55331302523 is an apocalyptic number.

55331302523 is a deficient number, since it is larger than the sum of its proper divisors (11313291397).

55331302523 is a wasteful number, since it uses less digits than its factorization.

55331302523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503906.

The product of its (nonzero) digits is 40500, while the sum is 32.

Adding to 55331302523 its reverse (32520313355), we get a palindrome (87851615878).

The spelling of 55331302523 in words is "fifty-five billion, three hundred thirty-one million, three hundred two thousand, five hundred twenty-three".