56315400 has 96 divisors (see below), whose sum is σ = 178381440. Its totient is φ = 14690560.

The previous prime is 56315393. The next prime is 56315453. The reversal of 56315400 is 451365.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27202 + ... + 29198.

It is an arithmetic number, because the mean of its divisors is an integer number (1858140).

Almost surely, 2^56315400 is an apocalyptic number.

56315400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56315400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89190720).

56315400 is an abundant number, since it is smaller than the sum of its proper divisors (122066040).

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

56315400 is a wasteful number, since it uses less digits than its factorization.

56315400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56315400 is about 7504.3587334295. The cubic root of 56315400 is about 383.3031524232.

Adding to 56315400 its reverse (451365), we get a palindrome (56766765).

The spelling of 56315400 in words is "fifty-six million, three hundred fifteen thousand, four hundred".