55974663 has 24 divisors (see below), whose sum is σ = 85149792. Its totient is φ = 35363328.

The previous prime is 55974649. The next prime is 55974671. The reversal of 55974663 is 36647955.

55974663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55974663 - 2⁴ = 55974647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55974613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22195 + ... + 24587.

It is an arithmetic number, because the mean of its divisors is an integer number (3547908).

Almost surely, 2^55974663 is an apocalyptic number.

55974663 is a deficient number, since it is larger than the sum of its proper divisors (29175129).

55974663 is a wasteful number, since it uses less digits than its factorization.

55974663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535 (or 2532 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 55974663 is about 7481.6216824964. The cubic root of 55974663 is about 382.5285279248.

The spelling of 55974663 in words is "fifty-five million, nine hundred seventy-four thousand, six hundred sixty-three".