55523633 has 24 divisors (see below), whose sum is σ = 64810368. Its totient is φ = 47432000.

The previous prime is 55523627. The next prime is 55523641. The reversal of 55523633 is 33632555.

It is not a de Polignac number, because 55523633 - 2⁴ = 55523617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55523633.

It is not an unprimeable number, because it can be changed into a prime (55523653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197453 + ... + 197733.

It is an arithmetic number, because the mean of its divisors is an integer number (2700432).

Almost surely, 2^55523633 is an apocalyptic number.

It is an amenable number.

55523633 is a deficient number, since it is larger than the sum of its proper divisors (9286735).

55523633 is a wasteful number, since it uses less digits than its factorization.

55523633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 386 counting only the distinct ones).

The product of its digits is 40500, while the sum is 32.

The square root of 55523633 is about 7451.4181871641. The cubic root of 55523633 is about 381.4983157737.

The spelling of 55523633 in words is "fifty-five million, five hundred twenty-three thousand, six hundred thirty-three".