57293437 has 8 divisors (see below), whose sum is σ = 60217920. Its totient is φ = 54405120.

The previous prime is 57293429. The next prime is 57293443. The reversal of 57293437 is 73439275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57293437 - 2³ = 57293429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57293437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57293837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (7527240).

Almost surely, 2^57293437 is an apocalyptic number.

It is an amenable number.

57293437 is a deficient number, since it is larger than the sum of its proper divisors (2924483).

57293437 is a wasteful number, since it uses less digits than its factorization.

57293437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18083.

The product of its digits is 158760, while the sum is 40.

The square root of 57293437 is about 7569.2428287115. The cubic root of 57293437 is about 385.5093881435.

The spelling of 57293437 in words is "fifty-seven million, two hundred ninety-three thousand, four hundred thirty-seven".