54845791 has 48 divisors (see below), whose sum is σ = 78829632. Its totient is φ = 37002240.

The previous prime is 54845773. The next prime is 54845797. The reversal of 54845791 is 19754845.

It is not a de Polignac number, because 54845791 - 2¹⁷ = 54714719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54845797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187041 + ... + 187333.

It is an arithmetic number, because the mean of its divisors is an integer number (1642284).

Almost surely, 2^54845791 is an apocalyptic number.

54845791 is a deficient number, since it is larger than the sum of its proper divisors (23983841).

54845791 is a wasteful number, since it uses less digits than its factorization.

54845791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 341 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 54845791 is about 7405.7944205872. The cubic root of 54845791 is about 379.9394894416.

The spelling of 54845791 in words is "fifty-four million, eight hundred forty-five thousand, seven hundred ninety-one".