57172573451 has 16 divisors (see below), whose sum is σ = 68357882880. Its totient is φ = 46792576320.

The previous prime is 57172573417. The next prime is 57172573477. The reversal of 57172573451 is 15437527175.

57172573451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57172573451 - 2¹⁴ = 57172557067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 57172573396 and 57172573405.

It is not an unprimeable number, because it can be changed into a prime (57172573411) 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, 2105741 + ... + 2132718.

It is an arithmetic number, because the mean of its divisors is an integer number (4272367680).

Almost surely, 2^57172573451 is an apocalyptic number.

57172573451 is a deficient number, since it is larger than the sum of its proper divisors (11185309429).

57172573451 is a wasteful number, since it uses less digits than its factorization.

57172573451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238554.

The product of its digits is 1029000, while the sum is 47.

The spelling of 57172573451 in words is "fifty-seven billion, one hundred seventy-two million, five hundred seventy-three thousand, four hundred fifty-one".