57260190 has 64 divisors (see below), whose sum is σ = 151647552. Its totient is φ = 13747200.

The previous prime is 57260183. The next prime is 57260191. The reversal of 57260190 is 9106275.

It is a super-2 number, since 2×57260190² = 6557458717672200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57260191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14200 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (2369493).

Almost surely, 2^57260190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57260190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75823776).

57260190 is an abundant number, since it is smaller than the sum of its proper divisors (94387362).

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

57260190 is a wasteful number, since it uses less digits than its factorization.

57260190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 57260190 is about 7567.0463194036. The cubic root of 57260190 is about 385.4348042045.

The spelling of 57260190 in words is "fifty-seven million, two hundred sixty thousand, one hundred ninety".