56218950 has 72 divisors (see below), whose sum is σ = 151927776. Its totient is φ = 14904000.

The previous prime is 56218937. The next prime is 56218951. The reversal of 56218950 is 5981265.

It is a happy number.

56218950 is a `hidden beast` number, since 562 + 1 + 8 + 95 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56218951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121720 + ... + 122180.

It is an arithmetic number, because the mean of its divisors is an integer number (2110108).

Almost surely, 2^56218950 is an apocalyptic number.

56218950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56218950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75963888).

56218950 is an abundant number, since it is smaller than the sum of its proper divisors (95708826).

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

56218950 is a wasteful number, since it uses less digits than its factorization.

56218950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 56218950 is about 7497.9297142611. The cubic root of 56218950 is about 383.0842027529.

The spelling of 56218950 in words is "fifty-six million, two hundred eighteen thousand, nine hundred fifty".