57054747 has 4 divisors (see below), whose sum is σ = 76073000. Its totient is φ = 38036496.

The previous prime is 57054731. The next prime is 57054749. The reversal of 57054747 is 74745075.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57054747 - 2⁴ = 57054731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57054749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509122 + ... + 9509127.

It is an arithmetic number, because the mean of its divisors is an integer number (19018250).

Almost surely, 2^57054747 is an apocalyptic number.

57054747 is a deficient number, since it is larger than the sum of its proper divisors (19018253).

57054747 is a wasteful number, since it uses less digits than its factorization.

57054747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19018252.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 57054747 is about 7553.4592737368. The cubic root of 57054747 is about 384.9732865032.

The spelling of 57054747 in words is "fifty-seven million, fifty-four thousand, seven hundred forty-seven".