57285037 has 4 divisors (see below), whose sum is σ = 57535420. Its totient is φ = 57034656.

The previous prime is 57285029. The next prime is 57285089. The reversal of 57285037 is 73058275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40589641 + 16695396 = 6371^2 + 4086^2 .

It is a cyclic number.

It is not a de Polignac number, because 57285037 - 2³ = 57285029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57284987 and 57285005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57285017) 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, 124848 + ... + 125305.

It is an arithmetic number, because the mean of its divisors is an integer number (14383855).

Almost surely, 2^57285037 is an apocalyptic number.

It is an amenable number.

57285037 is a deficient number, since it is larger than the sum of its proper divisors (250383).

57285037 is a wasteful number, since it uses less digits than its factorization.

57285037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250382.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 57285037 is about 7568.6879312071. The cubic root of 57285037 is about 385.4905469097.

The spelling of 57285037 in words is "fifty-seven million, two hundred eighty-five thousand, thirty-seven".