56218452 has 24 divisors (see below), whose sum is σ = 132652800. Its totient is φ = 18528576.

The previous prime is 56218447. The next prime is 56218457. The reversal of 56218452 is 25481265.

It is an interprime number because it is at equal distance from previous prime (56218447) and next prime (56218457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56218457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25252 + ... + 27387.

It is an arithmetic number, because the mean of its divisors is an integer number (5527200).

Almost surely, 2^56218452 is an apocalyptic number.

It is an amenable number.

56218452 is an abundant number, since it is smaller than the sum of its proper divisors (76434348).

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

56218452 is a wasteful number, since it uses less digits than its factorization.

56218452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52735 (or 52733 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 56218452 is about 7497.8965050206. The cubic root of 56218452 is about 383.0830716011.

The spelling of 56218452 in words is "fifty-six million, two hundred eighteen thousand, four hundred fifty-two".