57117439700 has 72 divisors (see below), whose sum is σ = 126009039072. Its totient is φ = 22467646080.

The previous prime is 57117439669. The next prime is 57117439711. The reversal of 57117439700 is 793471175.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4100147 + ... + 4114053.

Almost surely, 2^57117439700 is an apocalyptic number.

57117439700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57117439700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63004519536).

57117439700 is an abundant number, since it is smaller than the sum of its proper divisors (68891599372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57117439700 is a wasteful number, since it uses less digits than its factorization.

57117439700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14601 (or 14594 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 44.

The spelling of 57117439700 in words is "fifty-seven billion, one hundred seventeen million, four hundred thirty-nine thousand, seven hundred".