57190530 has 64 divisors (see below), whose sum is σ = 143256960. Its totient is φ = 14598144.

The previous prime is 57190519. The next prime is 57190541. The reversal of 57190530 is 3509175.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57190519) and next prime (57190541).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73986 + ... + 74754.

It is an arithmetic number, because the mean of its divisors is an integer number (2238390).

Almost surely, 2^57190530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57190530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71628480).

57190530 is an abundant number, since it is smaller than the sum of its proper divisors (86066430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57190530 is a wasteful number, since it uses less digits than its factorization.

57190530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 57190530 is about 7562.4420658938. The cubic root of 57190530 is about 385.2784402821.

The spelling of 57190530 in words is "fifty-seven million, one hundred ninety thousand, five hundred thirty".