54091904061 has 96 divisors (see below), whose sum is σ = 86806312320. Its totient is φ = 29678814720.

The previous prime is 54091904033. The next prime is 54091904063. The reversal of 54091904061 is 16040919045.

It is not a de Polignac number, because 54091904061 - 2⁵ = 54091904029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54091904063) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26346711 + ... + 26348763.

It is an arithmetic number, because the mean of its divisors is an integer number (904232420).

Almost surely, 2^54091904061 is an apocalyptic number.

It is an amenable number.

54091904061 is a deficient number, since it is larger than the sum of its proper divisors (32714408259).

54091904061 is a wasteful number, since it uses less digits than its factorization.

54091904061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 54091904061 in words is "fifty-four billion, ninety-one million, nine hundred four thousand, sixty-one".