54445531433215 has 32 divisors (see below), whose sum is σ = 70916586048000. Its totient is φ = 39888263775360.

The previous prime is 54445531433207. The next prime is 54445531433243. The reversal of 54445531433215 is 51233413554445.

It is not a de Polignac number, because 54445531433215 - 2³ = 54445531433207 is a prime.

It is a super-2 number, since 2×54445531433215² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30807636 + ... + 32526934.

It is an arithmetic number, because the mean of its divisors is an integer number (2216143314000).

Almost surely, 2^{54445531433215} is an apocalyptic number.

54445531433215 is a deficient number, since it is larger than the sum of its proper divisors (16471054614785).

54445531433215 is a wasteful number, since it uses less digits than its factorization.

54445531433215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723167.

The product of its digits is 8640000, while the sum is 49.

The spelling of 54445531433215 in words is "fifty-four trillion, four hundred forty-five billion, five hundred thirty-one million, four hundred thirty-three thousand, two hundred fifteen".