56400486 has 16 divisors (see below), whose sum is σ = 112979568. Its totient is φ = 18770400.

The previous prime is 56400481. The next prime is 56400497. The reversal of 56400486 is 68400465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56400481) 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, 3145 + ... + 11076.

It is an arithmetic number, because the mean of its divisors is an integer number (7061223).

Almost surely, 2^56400486 is an apocalyptic number.

56400486 is an abundant number, since it is smaller than the sum of its proper divisors (56579082).

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

56400486 is a wasteful number, since it uses less digits than its factorization.

56400486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14887.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 56400486 is about 7510.0256990239. The cubic root of 56400486 is about 383.4960973999.

The spelling of 56400486 in words is "fifty-six million, four hundred thousand, four hundred eighty-six".