57482709 has 4 divisors (see below), whose sum is σ = 76643616. Its totient is φ = 38321804.

The previous prime is 57482707. The next prime is 57482713. The reversal of 57482709 is 90728475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57482709 - 2¹ = 57482707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57482707) 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, 9580449 + ... + 9580454.

It is an arithmetic number, because the mean of its divisors is an integer number (19160904).

Almost surely, 2^57482709 is an apocalyptic number.

It is an amenable number.

57482709 is a deficient number, since it is larger than the sum of its proper divisors (19160907).

57482709 is a wasteful number, since it uses less digits than its factorization.

57482709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19160906.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 57482709 is about 7581.7352235488. The cubic root of 57482709 is about 385.9334386379.

The spelling of 57482709 in words is "fifty-seven million, four hundred eighty-two thousand, seven hundred nine".