55312552 has 8 divisors (see below), whose sum is σ = 103711050. Its totient is φ = 27656272.

The previous prime is 55312547. The next prime is 55312573. The reversal of 55312552 is 25521355.

It can be written as a sum of positive squares in only one way, i.e., 46867716 + 8444836 = 6846^2 + 2906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 55312552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457027 + ... + 3457042.

Almost surely, 2^55312552 is an apocalyptic number.

It is an amenable number.

55312552 is a deficient number, since it is larger than the sum of its proper divisors (48398498).

55312552 is a wasteful number, since it uses less digits than its factorization.

55312552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914075 (or 6914071 counting only the distinct ones).

The product of its digits is 7500, while the sum is 28.

The square root of 55312552 is about 7437.2408862427. The cubic root of 55312552 is about 381.0142617910.

The spelling of 55312552 in words is "fifty-five million, three hundred twelve thousand, five hundred fifty-two".