55031355 has 48 divisors (see below), whose sum is σ = 99680256. Its totient is φ = 28054080.

The previous prime is 55031311. The next prime is 55031371. The reversal of 55031355 is 55313055.

It is not a de Polignac number, because 55031355 - 2¹¹ = 55029307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143494 + ... + 143876.

It is an arithmetic number, because the mean of its divisors is an integer number (2076672).

Almost surely, 2^55031355 is an apocalyptic number.

55031355 is a deficient number, since it is larger than the sum of its proper divisors (44648901).

55031355 is a wasteful number, since it uses less digits than its factorization.

55031355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 55031355 is about 7418.3121395638. The cubic root of 55031355 is about 380.3674999683.

The spelling of 55031355 in words is "fifty-five million, thirty-one thousand, three hundred fifty-five".