57499078947772 has 48 divisors (see below), whose sum is σ = 129778485419520. Its totient is φ = 21629747563200.

The previous prime is 57499078947769. The next prime is 57499078947797. The reversal of 57499078947772 is 27774987099475.

It is a super-2 number, since 2×57499078947772² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57499078947772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3218703504 + ... + 3218721367.

It is an arithmetic number, because the mean of its divisors is an integer number (2703718446240).

Almost surely, 2^{57499078947772} is an apocalyptic number.

It is an amenable number.

57499078947772 is an abundant number, since it is smaller than the sum of its proper divisors (72279406471748).

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

57499078947772 is a wasteful number, since it uses less digits than its factorization.

57499078947772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437424922 (or 6437424920 counting only the distinct ones).

The product of its (nonzero) digits is 15682947840, while the sum is 85.

The spelling of 57499078947772 in words is "fifty-seven trillion, four hundred ninety-nine billion, seventy-eight million, nine hundred forty-seven thousand, seven hundred seventy-two".