55675531 has 4 divisors (see below), whose sum is σ = 55854864. Its totient is φ = 55496200.

The previous prime is 55675511. The next prime is 55675547. The reversal of 55675531 is 13557655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55675531 is a prime.

It is a super-2 number, since 2×55675531² = 6199529504263922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55675511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89200 + ... + 89821.

It is an arithmetic number, because the mean of its divisors is an integer number (13963716).

Almost surely, 2^55675531 is an apocalyptic number.

55675531 is a deficient number, since it is larger than the sum of its proper divisors (179333).

55675531 is a wasteful number, since it uses less digits than its factorization.

55675531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179332.

The product of its digits is 78750, while the sum is 37.

The square root of 55675531 is about 7461.6037820297. The cubic root of 55675531 is about 381.8458918957.

The spelling of 55675531 in words is "fifty-five million, six hundred seventy-five thousand, five hundred thirty-one".