56402450 has 48 divisors (see below), whose sum is σ = 118950720. Its totient is φ = 19725120.

The previous prime is 56402399. The next prime is 56402459. The reversal of 56402450 is 5420465.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (56402459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10067 + ... + 14633.

It is an arithmetic number, because the mean of its divisors is an integer number (2478140).

Almost surely, 2^56402450 is an apocalyptic number.

56402450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56402450 is an abundant number, since it is smaller than the sum of its proper divisors (62548270).

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

56402450 is a wasteful number, since it uses less digits than its factorization.

56402450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611 (or 4606 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 56402450 is about 7510.1564564262. The cubic root of 56402450 is about 383.5005487658.

The spelling of 56402450 in words is "fifty-six million, four hundred two thousand, four hundred fifty".