55199552 has 14 divisors (see below), whose sum is σ = 109536738. Its totient is φ = 27599744.

The previous prime is 55199549. The next prime is 55199567. The reversal of 55199552 is 25599155.

It can be written as a sum of positive squares in only one way, i.e., 36675136 + 18524416 = 6056^2 + 4304^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431183 + ... + 431310.

Almost surely, 2^55199552 is an apocalyptic number.

It is an amenable number.

55199552 is a deficient number, since it is larger than the sum of its proper divisors (54337186).

55199552 is an equidigital number, since it uses as much as digits as its factorization.

55199552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862505 (or 862495 counting only the distinct ones).

The product of its digits is 101250, while the sum is 41.

The square root of 55199552 is about 7429.6400989550. The cubic root of 55199552 is about 380.7546223263.

The spelling of 55199552 in words is "fifty-five million, one hundred ninety-nine thousand, five hundred fifty-two".