57475279 has 4 divisors (see below), whose sum is σ = 57516984. Its totient is φ = 57433576.

The previous prime is 57475277. The next prime is 57475291. The reversal of 57475279 is 97257475.

57475279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 57475279 - 2¹ = 57475277 is a prime.

It is a super-2 number, since 2×57475279² = 6606815392255682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57475277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18712 + ... + 21565.

It is an arithmetic number, because the mean of its divisors is an integer number (14379246).

Almost surely, 2^57475279 is an apocalyptic number.

57475279 is a deficient number, since it is larger than the sum of its proper divisors (41705).

57475279 is a wasteful number, since it uses less digits than its factorization.

57475279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41704.

The product of its digits is 617400, while the sum is 46.

The square root of 57475279 is about 7581.2452143431. The cubic root of 57475279 is about 385.9168098171.

It can be divided in two parts, 5747 and 5279, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 57475279 in words is "fifty-seven million, four hundred seventy-five thousand, two hundred seventy-nine".