55574614557 has 48 divisors (see below), whose sum is σ = 100481472000. Its totient is φ = 28754820000.

The previous prime is 55574614517. The next prime is 55574614559. The reversal of 55574614557 is 75541647555.

55574614557 is a `hidden beast` number, since 5 + 5 + 5 + 74 + 6 + 14 + 557 = 666.

It is not a de Polignac number, because 55574614557 - 2²² = 55570420253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55574614559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14194 + ... + 333692.

It is an arithmetic number, because the mean of its divisors is an integer number (2093364000).

Almost surely, 2^55574614557 is an apocalyptic number.

It is an amenable number.

55574614557 is a deficient number, since it is larger than the sum of its proper divisors (44906857443).

55574614557 is a wasteful number, since it uses less digits than its factorization.

55574614557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319774 (or 319771 counting only the distinct ones).

The product of its digits is 14700000, while the sum is 54.

The spelling of 55574614557 in words is "fifty-five billion, five hundred seventy-four million, six hundred fourteen thousand, five hundred fifty-seven".