57809948 has 24 divisors (see below), whose sum is σ = 120648192. Its totient is φ = 23698224.

The previous prime is 57809923. The next prime is 57809981. The reversal of 57809948 is 84990875.

It is a junction number, because it is equal to n+sod(n) for n = 57809896 and 57809905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44240 + ... + 45527.

It is an arithmetic number, because the mean of its divisors is an integer number (5027008).

Almost surely, 2^57809948 is an apocalyptic number.

It is an amenable number.

57809948 is an abundant number, since it is smaller than the sum of its proper divisors (62838244).

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

57809948 is a wasteful number, since it uses less digits than its factorization.

57809948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89801 (or 89799 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 57809948 is about 7603.2853425345. The cubic root of 57809948 is about 386.6644038050.

The spelling of 57809948 in words is "fifty-seven million, eight hundred nine thousand, nine hundred forty-eight".