55366364 has 24 divisors (see below), whose sum is σ = 98398608. Its totient is φ = 27256320.

The previous prime is 55366351. The next prime is 55366379. The reversal of 55366364 is 46366355.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81932 + ... + 82604.

It is an arithmetic number, because the mean of its divisors is an integer number (4099942).

Almost surely, 2^55366364 is an apocalyptic number.

It is an amenable number.

55366364 is a deficient number, since it is larger than the sum of its proper divisors (43032244).

55366364 is a wasteful number, since it uses less digits than its factorization.

55366364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 963 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The square root of 55366364 is about 7440.8577462548. The cubic root of 55366364 is about 381.1377810365.

Subtracting from 55366364 its reverse (46366355), we obtain a palindrome (9000009).

The spelling of 55366364 in words is "fifty-five million, three hundred sixty-six thousand, three hundred sixty-four".