55610624 has 18 divisors (see below), whose sum is σ = 111004530. Its totient is φ = 27805184.

The previous prime is 55610617. The next prime is 55610641. The reversal of 55610624 is 42601655.

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 23348224 = 5680^2 + 4832^2 .

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, 108359 + ... + 108870.

Almost surely, 2^55610624 is an apocalyptic number.

It is an amenable number.

55610624 is a deficient number, since it is larger than the sum of its proper divisors (55393906).

55610624 is an equidigital number, since it uses as much as digits as its factorization.

55610624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217245 (or 217231 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55610624 is about 7457.2531135801. The cubic root of 55610624 is about 381.6974478161.

The spelling of 55610624 in words is "fifty-five million, six hundred ten thousand, six hundred twenty-four".