55031511345 has 16 divisors (see below), whose sum is σ = 88633537152. Its totient is φ = 29155766400.

The previous prime is 55031511329. The next prime is 55031511377. The reversal of 55031511345 is 54311513055.

It is not a de Polignac number, because 55031511345 - 2⁴ = 55031511329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12145972 + ... + 12150501.

It is an arithmetic number, because the mean of its divisors is an integer number (5539596072).

Almost surely, 2^55031511345 is an apocalyptic number.

It is an amenable number.

55031511345 is a deficient number, since it is larger than the sum of its proper divisors (33602025807).

55031511345 is a wasteful number, since it uses less digits than its factorization.

55031511345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24296632.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 55031511345 in words is "fifty-five billion, thirty-one million, five hundred eleven thousand, three hundred forty-five".