54771312 has 40 divisors (see below), whose sum is σ = 143093520. Its totient is φ = 18050560.

The previous prime is 54771307. The next prime is 54771329. The reversal of 54771312 is 21317745.

It is a self number, because there is not a number n which added to its sum of digits gives 54771312.

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, 2139 + ... + 10682.

It is an arithmetic number, because the mean of its divisors is an integer number (3577338).

Almost surely, 2^54771312 is an apocalyptic number.

It is an amenable number.

54771312 is an abundant number, since it is smaller than the sum of its proper divisors (88322208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54771312 is a wasteful number, since it uses less digits than its factorization.

54771312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921 (or 12915 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 54771312 is about 7400.7642848560. The cubic root of 54771312 is about 379.7674292496.

The spelling of 54771312 in words is "fifty-four million, seven hundred seventy-one thousand, three hundred twelve".