57650940 has 120 divisors (see below), whose sum is σ = 190473360. Its totient is φ = 14556672.

The previous prime is 57650939. The next prime is 57650969. The reversal of 57650940 is 4905675.

It is a super-3 number, since 3×57650940³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57650895 and 57650904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29844 + ... + 31716.

It is an arithmetic number, because the mean of its divisors is an integer number (1587278).

Almost surely, 2^57650940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57650940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95236680).

57650940 is an abundant number, since it is smaller than the sum of its proper divisors (132822420).

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

57650940 is a wasteful number, since it uses less digits than its factorization.

57650940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 57650940 is about 7592.8216099155. The cubic root of 57650940 is about 386.3095675874.

The spelling of 57650940 in words is "fifty-seven million, six hundred fifty thousand, nine hundred forty".