54431779758 has 32 divisors (see below), whose sum is σ = 109852933536. Its totient is φ = 17979107328.

The previous prime is 54431779751. The next prime is 54431779819. The reversal of 54431779758 is 85797713445.

54431779758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54431779751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4301016 + ... + 4313652.

It is an arithmetic number, because the mean of its divisors is an integer number (3432904173).

Almost surely, 2^54431779758 is an apocalyptic number.

54431779758 is an abundant number, since it is smaller than the sum of its proper divisors (55421153778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54431779758 is a wasteful number, since it uses less digits than its factorization.

54431779758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108.

The product of its digits is 29635200, while the sum is 60.

The spelling of 54431779758 in words is "fifty-four billion, four hundred thirty-one million, seven hundred seventy-nine thousand, seven hundred fifty-eight".