55523554 has 8 divisors (see below), whose sum is σ = 83317248. Its totient is φ = 27751140.

The previous prime is 55523549. The next prime is 55523561. The reversal of 55523554 is 45532555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6159 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (10414656).

Almost surely, 2^55523554 is an apocalyptic number.

55523554 is a deficient number, since it is larger than the sum of its proper divisors (27793694).

55523554 is a wasteful number, since it uses less digits than its factorization.

55523554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640.

The product of its digits is 75000, while the sum is 34.

The square root of 55523554 is about 7451.4128861579. The cubic root of 55523554 is about 381.4981348395.

Subtracting from 55523554 its reverse (45532555), we obtain a palindrome (9990999).

The spelling of 55523554 in words is "fifty-five million, five hundred twenty-three thousand, five hundred fifty-four".