57052446 has 64 divisors (see below), whose sum is σ = 130277376. Its totient is φ = 16502400.

The previous prime is 57052441. The next prime is 57052451. The reversal of 57052446 is 64425075.

It is an interprime number because it is at equal distance from previous prime (57052441) and next prime (57052451).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57052441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148771 + ... + 149153.

It is an arithmetic number, because the mean of its divisors is an integer number (2035584).

Almost surely, 2^57052446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57052446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65138688).

57052446 is an abundant number, since it is smaller than the sum of its proper divisors (73224930).

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

57052446 is a wasteful number, since it uses less digits than its factorization.

57052446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 57052446 is about 7553.3069578828. The cubic root of 57052446 is about 384.9681111497.

The spelling of 57052446 in words is "fifty-seven million, fifty-two thousand, four hundred forty-six".