57299450679 has 16 divisors (see below), whose sum is σ = 85556490240. Its totient is φ = 37898847000.

The previous prime is 57299450671. The next prime is 57299450693. The reversal of 57299450679 is 97605499275.

57299450679 is a `hidden beast` number, since 57 + 2 + 9 + 9 + 4 + 506 + 79 = 666.

It is not a de Polignac number, because 57299450679 - 2³ = 57299450671 is a prime.

It is a super-2 number, since 2×57299450679² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57299450671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8351697 + ... + 8358554.

It is an arithmetic number, because the mean of its divisors is an integer number (5347280640).

Almost surely, 2^57299450679 is an apocalyptic number.

57299450679 is a deficient number, since it is larger than the sum of its proper divisors (28257039561).

57299450679 is a wasteful number, since it uses less digits than its factorization.

57299450679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16710387 (or 16710381 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 57299450679 in words is "fifty-seven billion, two hundred ninety-nine million, four hundred fifty thousand, six hundred seventy-nine".