57869442 has 48 divisors (see below), whose sum is σ = 131976000. Its totient is φ = 18299232.

The previous prime is 57869437. The next prime is 57869489. The reversal of 57869442 is 24496875.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29859 + ... + 31737.

It is an arithmetic number, because the mean of its divisors is an integer number (2749500).

Almost surely, 2^57869442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57869442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65988000).

57869442 is an abundant number, since it is smaller than the sum of its proper divisors (74106558).

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

57869442 is a wasteful number, since it uses less digits than its factorization.

57869442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1972 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 57869442 is about 7607.1967241554. The cubic root of 57869442 is about 386.7970010822.

It can be divided in two parts, 57869 and 442, that added together give a triangular number (58311 = T₃₄₁).

The spelling of 57869442 in words is "fifty-seven million, eight hundred sixty-nine thousand, four hundred forty-two".