57494472 has 64 divisors (see below), whose sum is σ = 169948800. Its totient is φ = 15859200.

The previous prime is 57494471. The next prime is 57494473. The reversal of 57494472 is 27449475.

57494472 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (57494471) and next prime (57494473).

It is a super-2 number, since 2×57494472² = 6611228621117568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (57494471) 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, 1029 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (2655450).

Almost surely, 2^57494472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57494472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84974400).

57494472 is an abundant number, since it is smaller than the sum of its proper divisors (112454328).

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

57494472 is a wasteful number, since it uses less digits than its factorization.

57494472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846 (or 11842 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 57494472 is about 7582.5109297646. The cubic root of 57494472 is about 385.9597620633.

The spelling of 57494472 in words is "fifty-seven million, four hundred ninety-four thousand, four hundred seventy-two".