55711522 has 4 divisors (see below), whose sum is σ = 83567286. Its totient is φ = 27855760.

The previous prime is 55711501. The next prime is 55711561. The reversal of 55711522 is 22511755.

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

It can be written as a sum of positive squares in only one way, i.e., 34468641 + 21242881 = 5871^2 + 4609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13927879 + ... + 13927882.

Almost surely, 2^55711522 is an apocalyptic number.

55711522 is a deficient number, since it is larger than the sum of its proper divisors (27855764).

55711522 is a wasteful number, since it uses less digits than its factorization.

55711522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27855763.

The product of its digits is 3500, while the sum is 28.

The square root of 55711522 is about 7464.0151393201. The cubic root of 55711522 is about 381.9281545759.

The spelling of 55711522 in words is "fifty-five million, seven hundred eleven thousand, five hundred twenty-two".