54247772 has 24 divisors (see below), whose sum is σ = 97866720. Its totient is φ = 26291520.

The previous prime is 54247769. The next prime is 54247789. The reversal of 54247772 is 27774245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52622 + ... + 53642.

It is an arithmetic number, because the mean of its divisors is an integer number (4077780).

Almost surely, 2^54247772 is an apocalyptic number.

It is an amenable number.

54247772 is a deficient number, since it is larger than the sum of its proper divisors (43618948).

54247772 is a wasteful number, since it uses less digits than its factorization.

54247772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1419 counting only the distinct ones).

The product of its digits is 109760, while the sum is 38.

The square root of 54247772 is about 7365.3086832800. The cubic root of 54247772 is about 378.5535314803.

The spelling of 54247772 in words is "fifty-four million, two hundred forty-seven thousand, seven hundred seventy-two".