45521355555 has 24 divisors (see below), whose sum is σ = 84973198128. Its totient is φ = 22410513216.

The previous prime is 45521355547. The next prime is 45521355577. The reversal of 45521355555 is 55555312554.

45521355555 is a `hidden beast` number, since 45 + 5 + 2 + 1 + 3 + 55 + 555 = 666.

It is not a de Polignac number, because 45521355555 - 2³ = 45521355547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45521355555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38906557 + ... + 38907726.

It is an arithmetic number, because the mean of its divisors is an integer number (3540549922).

Almost surely, 2^45521355555 is an apocalyptic number.

45521355555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45521355555 is a deficient number, since it is larger than the sum of its proper divisors (39451842573).

45521355555 is a wasteful number, since it uses less digits than its factorization.

45521355555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77814307 (or 77814304 counting only the distinct ones).

The product of its digits is 1875000, while the sum is 45.

The spelling of 45521355555 in words is "forty-five billion, five hundred twenty-one million, three hundred fifty-five thousand, five hundred fifty-five".