57840650 has 48 divisors (see below), whose sum is σ = 125081280. Its totient is φ = 19488000.

The previous prime is 57840623. The next prime is 57840659. The reversal of 57840650 is 5604875.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 57840650.

It is not an unprimeable number, because it can be changed into a prime (57840659) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 19250 + ... + 22050.

It is an arithmetic number, because the mean of its divisors is an integer number (2605860).

Almost surely, 2^57840650 is an apocalyptic number.

57840650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57840650 is an abundant number, since it is smaller than the sum of its proper divisors (67240630).

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

57840650 is a wasteful number, since it uses less digits than its factorization.

57840650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 57840650 is about 7605.3040701868. The cubic root of 57840650 is about 386.7328422542.

The spelling of 57840650 in words is "fifty-seven million, eight hundred forty thousand, six hundred fifty".