54770891 has 16 divisors (see below), whose sum is σ = 63917568. Its totient is φ = 45964800.

The previous prime is 54770887. The next prime is 54770917. The reversal of 54770891 is 19807745.

It is not a de Polignac number, because 54770891 - 2² = 54770887 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54770801) 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, 95636 + ... + 96206.

It is an arithmetic number, because the mean of its divisors is an integer number (3994848).

Almost surely, 2^54770891 is an apocalyptic number.

54770891 is a deficient number, since it is larger than the sum of its proper divisors (9146677).

54770891 is a wasteful number, since it uses less digits than its factorization.

54770891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 54770891 is about 7400.7358417930. The cubic root of 54770891 is about 379.7664562190.

The spelling of 54770891 in words is "fifty-four million, seven hundred seventy thousand, eight hundred ninety-one".