55501017 has 32 divisors (see below), whose sum is σ = 88615296. Its totient is φ = 30451200.

The previous prime is 55500989. The next prime is 55501027. The reversal of 55501017 is 71010555.

It is not a de Polignac number, because 55501017 - 2⁶ = 55500953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55501027) 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, 21517 + ... + 23957.

It is an arithmetic number, because the mean of its divisors is an integer number (2769228).

Almost surely, 2^55501017 is an apocalyptic number.

It is an amenable number.

55501017 is a deficient number, since it is larger than the sum of its proper divisors (33114279).

55501017 is a wasteful number, since it uses less digits than its factorization.

55501017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 55501017 is about 7449.9004691338. The cubic root of 55501017 is about 381.4465111807.

The spelling of 55501017 in words is "fifty-five million, five hundred one thousand, seventeen".