55620632 has 8 divisors (see below), whose sum is σ = 104288700. Its totient is φ = 27810312.

The previous prime is 55620613. The next prime is 55620659. The reversal of 55620632 is 23602655.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 55620595 and 55620604.

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, 3476282 + ... + 3476297.

Almost surely, 2^55620632 is an apocalyptic number.

It is an amenable number.

55620632 is a deficient number, since it is larger than the sum of its proper divisors (48668068).

55620632 is a wasteful number, since it uses less digits than its factorization.

55620632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952585 (or 6952581 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 55620632 is about 7457.9241079539. The cubic root of 55620632 is about 381.7203439143.

The spelling of 55620632 in words is "fifty-five million, six hundred twenty thousand, six hundred thirty-two".