57385733457 has 48 divisors (see below), whose sum is σ = 85036428288. Its totient is φ = 34395641280.

The previous prime is 57385733441. The next prime is 57385733467. The reversal of 57385733457 is 75433758375.

It is a happy number.

It is not a de Polignac number, because 57385733457 - 2⁴ = 57385733441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57385733397 and 57385733406.

It is not an unprimeable number, because it can be changed into a prime (57385733467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2978148 + ... + 2997354.

It is an arithmetic number, because the mean of its divisors is an integer number (1771592256).

Almost surely, 2^57385733457 is an apocalyptic number.

It is an amenable number.

57385733457 is a deficient number, since it is larger than the sum of its proper divisors (27650694831).

57385733457 is a wasteful number, since it uses less digits than its factorization.

57385733457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19390 (or 19377 counting only the distinct ones).

The product of its digits is 37044000, while the sum is 57.

The spelling of 57385733457 in words is "fifty-seven billion, three hundred eighty-five million, seven hundred thirty-three thousand, four hundred fifty-seven".