5645776028 has 48 divisors (see below), whose sum is σ = 10491223680. Its totient is φ = 2654206464.

The previous prime is 5645776009. The next prime is 5645776039. The reversal of 5645776028 is 8206775465.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838925 + ... + 845627.

It is an arithmetic number, because the mean of its divisors is an integer number (218567160).

Almost surely, 2^5645776028 is an apocalyptic number.

5645776028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

5645776028 is a deficient number, since it is larger than the sum of its proper divisors (4845447652).

5645776028 is a wasteful number, since it uses less digits than its factorization.

5645776028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The square root of 5645776028 is about 75138.3791946566. The cubic root of 5645776028 is about 1780.6335357954.

The spelling of 5645776028 in words is "five billion, six hundred forty-five million, seven hundred seventy-six thousand, twenty-eight".