55099528 has 24 divisors (see below), whose sum is σ = 113559390. Its totient is φ = 25044800.

The previous prime is 55099523. The next prime is 55099537. The reversal of 55099528 is 82599055.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 19554084 = 5962^2 + 4422^2 .

It is not an unprimeable number, because it can be changed into a prime (55099523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27493 + ... + 29428.

Almost surely, 2^55099528 is an apocalyptic number.

It is an amenable number.

55099528 is an abundant number, since it is smaller than the sum of its proper divisors (58459862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55099528 is a wasteful number, since it uses less digits than its factorization.

55099528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56949 (or 56934 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 55099528 is about 7422.9056305466. The cubic root of 55099528 is about 380.5245019370.

The spelling of 55099528 in words is "fifty-five million, ninety-nine thousand, five hundred twenty-eight".