57047339934 has 128 divisors (see below), whose sum is σ = 139082348160. Its totient is φ = 17225395200.

The previous prime is 57047339911. The next prime is 57047339941. The reversal of 57047339934 is 43993374075.

57047339934 is a `hidden beast` number, since 57 + 0 + 473 + 3 + 99 + 34 = 666.

It is a super-2 number, since 2×57047339934² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22308984 + ... + 22311540.

It is an arithmetic number, because the mean of its divisors is an integer number (1086580845).

Almost surely, 2^57047339934 is an apocalyptic number.

57047339934 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57047339934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69541174080).

57047339934 is an abundant number, since it is smaller than the sum of its proper divisors (82035008226).

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

57047339934 is a wasteful number, since it uses less digits than its factorization.

57047339934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 54.

The spelling of 57047339934 in words is "fifty-seven billion, forty-seven million, three hundred thirty-nine thousand, nine hundred thirty-four".