55620603 has 12 divisors (see below), whose sum is σ = 82932928. Its totient is φ = 35884080.

The previous prime is 55620577. The next prime is 55620613. The reversal of 55620603 is 30602655.

55620603 is a `hidden beast` number, since 5 + 56 + 2 + 0 + 603 = 666.

It is not a de Polignac number, because 55620603 - 2⁵ = 55620571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55620613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99400 + ... + 99957.

Almost surely, 2^55620603 is an apocalyptic number.

55620603 is a deficient number, since it is larger than the sum of its proper divisors (27312325).

55620603 is a wasteful number, since it uses less digits than its factorization.

55620603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199394 (or 199391 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55620603 is about 7457.9221637129. The cubic root of 55620603 is about 381.7202775726.

The spelling of 55620603 in words is "fifty-five million, six hundred twenty thousand, six hundred three".