54439620075 has 90 divisors (see below), whose sum is σ = 102592415684. Its totient is φ = 28538658720.

The previous prime is 54439620029. The next prime is 54439620107. The reversal of 54439620075 is 57002693445.

54439620075 is a `hidden beast` number, since 5 + 4 + 439 + 6 + 200 + 7 + 5 = 666.

It is not a de Polignac number, because 54439620075 - 2¹³ = 54439611883 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54439620075.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 7045164 + ... + 7052886.

Almost surely, 2^54439620075 is an apocalyptic number.

54439620075 is a deficient number, since it is larger than the sum of its proper divisors (48152795609).

54439620075 is an equidigital number, since it uses as much as digits as its factorization.

54439620075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863 (or 7790 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 54439620075 in words is "fifty-four billion, four hundred thirty-nine million, six hundred twenty thousand, seventy-five".