45821407555 has 64 divisors (see below), whose sum is σ = 74131034112. Its totient is φ = 26311587840.

The previous prime is 45821407537. The next prime is 45821407591. The reversal of 45821407555 is 55570412854.

It is not a de Polignac number, because 45821407555 - 2⁵ = 45821407523 is a prime.

It is a super-2 number, since 2×45821407555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233137 + ... + 382093.

It is an arithmetic number, because the mean of its divisors is an integer number (1158297408).

Almost surely, 2^45821407555 is an apocalyptic number.

45821407555 is a deficient number, since it is larger than the sum of its proper divisors (28309626557).

45821407555 is a wasteful number, since it uses less digits than its factorization.

45821407555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149044.

The product of its (nonzero) digits is 1120000, while the sum is 46.

The spelling of 45821407555 in words is "forty-five billion, eight hundred twenty-one million, four hundred seven thousand, five hundred fifty-five".