56578080 has 96 divisors (see below), whose sum is σ = 191951424. Its totient is φ = 13925376.

The previous prime is 56578051. The next prime is 56578099. The reversal of 56578080 is 8087565.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×56578080³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (1999494).

Almost surely, 2^56578080 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 56578080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95975712).

56578080 is an abundant number, since it is smaller than the sum of its proper divisors (135373344).

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

56578080 is a wasteful number, since it uses less digits than its factorization.

56578080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098 (or 9090 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 56578080 is about 7521.8402003765. The cubic root of 56578080 is about 383.8981934974.

The spelling of 56578080 in words is "fifty-six million, five hundred seventy-eight thousand, eighty".