55757376 has 112 divisors (see below), whose sum is σ = 168127680. Its totient is φ = 18109440.

The previous prime is 55757363. The next prime is 55757389. The reversal of 55757376 is 67375755.

55757376 is a `hidden beast` number, since 5 + 5 + 7 + 573 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (55757363) and next prime (55757389).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70455 + ... + 71241.

It is an arithmetic number, because the mean of its divisors is an integer number (1501140).

Almost surely, 2^55757376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55757376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84063840).

55757376 is an abundant number, since it is smaller than the sum of its proper divisors (112370304).

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

55757376 is a wasteful number, since it uses less digits than its factorization.

55757376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 833 counting only the distinct ones).

The product of its digits is 771750, while the sum is 45.

The square root of 55757376 is about 7467.0861786911. The cubic root of 55757376 is about 382.0329092743.

The spelling of 55757376 in words is "fifty-five million, seven hundred fifty-seven thousand, three hundred seventy-six".