57425550 has 144 divisors (see below), whose sum is σ = 178707312. Its totient is φ = 12096000.

The previous prime is 57425519. The next prime is 57425551. The reversal of 57425550 is 5552475.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57425551) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95250 + ... + 95850.

It is an arithmetic number, because the mean of its divisors is an integer number (1241023).

Almost surely, 2^57425550 is an apocalyptic number.

57425550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57425550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89353656).

57425550 is an abundant number, since it is smaller than the sum of its proper divisors (121281762).

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

57425550 is a wasteful number, since it uses less digits than its factorization.

57425550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 57425550 is about 7577.9647663472. The cubic root of 57425550 is about 385.8054761855.

It can be divided in two parts, 57425 and 550, that added together give a palindrome (57975).

The spelling of 57425550 in words is "fifty-seven million, four hundred twenty-five thousand, five hundred fifty".