57148190 has 32 divisors (see below), whose sum is σ = 115845120. Its totient is φ = 20109600.

The previous prime is 57148187. The next prime is 57148249. The reversal of 57148190 is 9184175.

It is a super-2 number, since 2×57148190² = 6531831240552200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57148190.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4970 + ... + 11789.

It is an arithmetic number, because the mean of its divisors is an integer number (3620160).

Almost surely, 2^57148190 is an apocalyptic number.

57148190 is an abundant number, since it is smaller than the sum of its proper divisors (58696930).

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

57148190 is a wasteful number, since it uses less digits than its factorization.

57148190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16808.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 57148190 is about 7559.6421872996. The cubic root of 57148190 is about 385.1833387771.

The spelling of 57148190 in words is "fifty-seven million, one hundred forty-eight thousand, one hundred ninety".