55724633 has 2 divisors, whose sum is σ = 55724634. Its totient is φ = 55724632.

The previous prime is 55724611. The next prime is 55724693. The reversal of 55724633 is 33642755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48260809 + 7463824 = 6947^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 55724633 - 2⁶ = 55724569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55724593 and 55724602.

It is not a weakly prime, because it can be changed into another prime (55724693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27862316 + 27862317.

It is an arithmetic number, because the mean of its divisors is an integer number (27862317).

Almost surely, 2^55724633 is an apocalyptic number.

It is an amenable number.

55724633 is a deficient number, since it is larger than the sum of its proper divisors (1).

55724633 is an equidigital number, since it uses as much as digits as its factorization.

55724633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 55724633 is about 7464.8933682940. The cubic root of 55724633 is about 381.9581128747.

The spelling of 55724633 in words is "fifty-five million, seven hundred twenty-four thousand, six hundred thirty-three".