56212404 has 48 divisors (see below), whose sum is σ = 140870016. Its totient is φ = 17382400.

The previous prime is 56212381. The next prime is 56212417. The reversal of 56212404 is 40421265.

It is a congruent number.

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, 12544 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (2934792).

Almost surely, 2^56212404 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 56212404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70435008).

56212404 is an abundant number, since it is smaller than the sum of its proper divisors (84657612).

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

56212404 is a wasteful number, since it uses less digits than its factorization.

56212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 56212404 is about 7497.4931810573. The cubic root of 56212404 is about 383.0693337065.

Adding to 56212404 its reverse (40421265), we get a palindrome (96633669).

It can be divided in two parts, 56212 and 404, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 56212404 in words is "fifty-six million, two hundred twelve thousand, four hundred four".