5657288450 has 54 divisors (see below), whose sum is σ = 11578089033. Its totient is φ = 2055068400.

The previous prime is 5657288411. The next prime is 5657288453. The reversal of 5657288450 is 548827565.

It can be written as a sum of positive squares in 2 ways, for example, as 5544142681 + 113145769 = 74459^2 + 10637^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53185.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5657288453) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5849867 + ... + 5850833.

Almost surely, 2^5657288450 is an apocalyptic number.

5657288450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5657288450 is an abundant number, since it is smaller than the sum of its proper divisors (5920800583).

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

5657288450 is an equidigital number, since it uses as much as digits as its factorization.

5657288450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 50.

The square root of 5657288450 is about 75214.9483148131. The cubic root of 5657288450 is about 1781.8430233109.

Multiplying 5657288450 by its sum of digits (50), we get a square (282864422500 = 531850²).

5657288450 divided by its sum of digits (50) gives a square (113145769 = 10637²).

The spelling of 5657288450 in words is "five billion, six hundred fifty-seven million, two hundred eighty-eight thousand, four hundred fifty".