55609952 has 24 divisors (see below), whose sum is σ = 114243696. Its totient is φ = 26595712.

The previous prime is 55609949. The next prime is 55609973. The reversal of 55609952 is 25990655.

It is a super-2 number, since 2×55609952² = 6184933522884608, which contains 22 as substring.

It is a congruent number.

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, 37043 + ... + 38514.

It is an arithmetic number, because the mean of its divisors is an integer number (4760154).

Almost surely, 2^55609952 is an apocalyptic number.

It is an amenable number.

55609952 is an abundant number, since it is smaller than the sum of its proper divisors (58633744).

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

55609952 is a wasteful number, since it uses less digits than its factorization.

55609952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75590 (or 75582 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 55609952 is about 7457.2080566389. The cubic root of 55609952 is about 381.6959103298.

The spelling of 55609952 in words is "fifty-five million, six hundred nine thousand, nine hundred fifty-two".