54738791 has 6 divisors (see below), whose sum is σ = 57771792. Its totient is φ = 51857460.

The previous prime is 54738787. The next prime is 54738797. The reversal of 54738791 is 19783745.

It is not a de Polignac number, because 54738791 - 2² = 54738787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54738797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75455 + ... + 76176.

It is an arithmetic number, because the mean of its divisors is an integer number (9628632).

Almost surely, 2^54738791 is an apocalyptic number.

54738791 is a deficient number, since it is larger than the sum of its proper divisors (3033001).

54738791 is a wasteful number, since it uses less digits than its factorization.

54738791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151669 (or 151650 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 54738791 is about 7398.5668206755. The cubic root of 54738791 is about 379.6922508316.

The spelling of 54738791 in words is "fifty-four million, seven hundred thirty-eight thousand, seven hundred ninety-one".