54481756 has 48 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 21605760.

The previous prime is 54481751. The next prime is 54481769. The reversal of 54481756 is 65718445.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54481751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18600 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2^54481756 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 54481756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58705920).

54481756 is an abundant number, since it is smaller than the sum of its proper divisors (62930084).

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

54481756 is a wasteful number, since it uses less digits than its factorization.

54481756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2792 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 54481756 is about 7381.1757870952. The cubic root of 54481756 is about 379.0970157026.

The spelling of 54481756 in words is "fifty-four million, four hundred eighty-one thousand, seven hundred fifty-six".