55572859924 has 6 divisors (see below), whose sum is σ = 97252504874. Its totient is φ = 27786429960.

The previous prime is 55572859891. The next prime is 55572859939. The reversal of 55572859924 is 42995827555.

It can be written as a sum of positive squares in only one way, i.e., 54859008400 + 713851524 = 234220^2 + 26718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946607487 + ... + 6946607494.

Almost surely, 2^55572859924 is an apocalyptic number.

It is an amenable number.

55572859924 is a deficient number, since it is larger than the sum of its proper divisors (41679644950).

55572859924 is a wasteful number, since it uses less digits than its factorization.

55572859924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13893214985 (or 13893214983 counting only the distinct ones).

The product of its digits is 45360000, while the sum is 61.

The spelling of 55572859924 in words is "fifty-five billion, five hundred seventy-two million, eight hundred fifty-nine thousand, nine hundred twenty-four".