54731776 has 88 divisors (see below), whose sum is σ = 123213024. Its totient is φ = 24084480.

The previous prime is 54731767. The next prime is 54731783. The reversal of 54731776 is 67713745.

It is a tau number, because it is divible by the number of its divisors (88).

It is a super-2 number, since 2×54731776² = 5991134608228352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484296 + ... + 484408.

It is an arithmetic number, because the mean of its divisors is an integer number (1400148).

Almost surely, 2^54731776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54731776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61606512).

54731776 is an abundant number, since it is smaller than the sum of its proper divisors (68481248).

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

54731776 is a wasteful number, since it uses less digits than its factorization.

54731776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 169 counting only the distinct ones).

The product of its digits is 123480, while the sum is 40.

The square root of 54731776 is about 7398.0927271831. The cubic root of 54731776 is about 379.6760304336.

It can be divided in two parts, 547 and 31776, that added together give a palindrome (32323).

The spelling of 54731776 in words is "fifty-four million, seven hundred thirty-one thousand, seven hundred seventy-six".