56454402 has 16 divisors (see below), whose sum is σ = 114760512. Its totient is φ = 18509520.

The previous prime is 56454389. The next prime is 56454407. The reversal of 56454402 is 20445465.

56454402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56454402.

It is not an unprimeable number, because it can be changed into a prime (56454407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76758 + ... + 77489.

It is an arithmetic number, because the mean of its divisors is an integer number (7172532).

Almost surely, 2^56454402 is an apocalyptic number.

56454402 is an abundant number, since it is smaller than the sum of its proper divisors (58306110).

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

56454402 is a wasteful number, since it uses less digits than its factorization.

56454402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154313.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 56454402 is about 7513.6144431292. The cubic root of 56454402 is about 383.6182594117.

Adding to 56454402 its reverse (20445465), we get a palindrome (76899867).

The spelling of 56454402 in words is "fifty-six million, four hundred fifty-four thousand, four hundred two".