56215450 has 24 divisors (see below), whose sum is σ = 109109088. Its totient is φ = 21508080.

The previous prime is 56215441. The next prime is 56215459. The reversal of 56215450 is 5451265.

It is an interprime number because it is at equal distance from previous prime (56215441) and next prime (56215459).

It is not an unprimeable number, because it can be changed into a prime (56215459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23292 + ... + 25591.

It is an arithmetic number, because the mean of its divisors is an integer number (4546212).

Almost surely, 2^56215450 is an apocalyptic number.

56215450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56215450 is a deficient number, since it is larger than the sum of its proper divisors (52893638).

56215450 is a wasteful number, since it uses less digits than its factorization.

56215450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48918 (or 48913 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 56215450 is about 7497.6963128684. The cubic root of 56215450 is about 383.0762527495.

It can be divided in two parts, 56215 and 450, that added together give a palindrome (56665).

The spelling of 56215450 in words is "fifty-six million, two hundred fifteen thousand, four hundred fifty".