54391776 has 48 divisors (see below), whose sum is σ = 146646864. Its totient is φ = 17639424.

The previous prime is 54391717. The next prime is 54391781. The reversal of 54391776 is 67719345.

It is a tau number, because it is divible by the number of its divisors (48).

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, 4105 + ... + 11208.

It is an arithmetic number, because the mean of its divisors is an integer number (3055143).

Almost surely, 2^54391776 is an apocalyptic number.

It is an amenable number.

54391776 is an abundant number, since it is smaller than the sum of its proper divisors (92255088).

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

54391776 is a wasteful number, since it uses less digits than its factorization.

54391776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363 (or 15355 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 54391776 is about 7375.0780334855. The cubic root of 54391776 is about 378.8881999563. Note that the first 3 decimals are identical.

It can be divided in two parts, 5439 and 1776, that multiplied together give a square (9659664 = 3108²).

The spelling of 54391776 in words is "fifty-four million, three hundred ninety-one thousand, seven hundred seventy-six".