54775091 has 12 divisors (see below), whose sum is σ = 64342512. Its totient is φ = 46489968.

The previous prime is 54775079. The next prime is 54775093. The reversal of 54775091 is 19057745.

It is not a de Polignac number, because 54775091 - 2²² = 50580787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54775093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (5361876).

Almost surely, 2^54775091 is an apocalyptic number.

54775091 is a deficient number, since it is larger than the sum of its proper divisors (9567421).

54775091 is a wasteful number, since it uses less digits than its factorization.

54775091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970 (or 10963 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 54775091 is about 7401.0195919211. The cubic root of 54775091 is about 379.7761631900.

The spelling of 54775091 in words is "fifty-four million, seven hundred seventy-five thousand, ninety-one".