56404450 has 12 divisors (see below), whose sum is σ = 104912370. Its totient is φ = 22561760.

The previous prime is 56404429. The next prime is 56404457. The reversal of 56404450 is 5440465.

It can be written as a sum of positive squares in 3 ways, for example, as 54066609 + 2337841 = 7353^2 + 1529^2 .

It is not an unprimeable number, because it can be changed into a prime (56404457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563995 + ... + 564094.

Almost surely, 2^56404450 is an apocalyptic number.

56404450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56404450 is a deficient number, since it is larger than the sum of its proper divisors (48507920).

56404450 is a wasteful number, since it uses less digits than its factorization.

56404450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128101 (or 1128096 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 56404450 is about 7510.2896082641. The cubic root of 56404450 is about 383.5050816187.

The spelling of 56404450 in words is "fifty-six million, four hundred four thousand, four hundred fifty".