57996378 has 64 divisors (see below), whose sum is σ = 141696000. Its totient is φ = 17437680.

The previous prime is 57996373. The next prime is 57996413. The reversal of 57996378 is 87369975.

57996378 is a `hidden beast` number, since 579 + 9 + 63 + 7 + 8 = 666.

It is a super-2 number, since 2×57996378² = 6727159722237768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (2857680) is a multiple of the sum of its prime factors (784).

It is not an unprimeable number, because it can be changed into a prime (57996373) 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, 96523 + ... + 97121.

It is an arithmetic number, because the mean of its divisors is an integer number (2214000).

Almost surely, 2^57996378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57996378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70848000).

57996378 is an abundant number, since it is smaller than the sum of its proper divisors (83699622).

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

57996378 is a wasteful number, since it uses less digits than its factorization.

57996378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 778 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 57996378 is about 7615.5353062014. The cubic root of 57996378 is about 387.0796062426.

The spelling of 57996378 in words is "fifty-seven million, nine hundred ninety-six thousand, three hundred seventy-eight".