54442751 has 4 divisors (see below), whose sum is σ = 59392104. Its totient is φ = 49493400.

The previous prime is 54442747. The next prime is 54442757. The reversal of 54442751 is 15724445.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54442751 - 2² = 54442747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54442757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474660 + ... + 2474681.

It is an arithmetic number, because the mean of its divisors is an integer number (14848026).

Almost surely, 2^54442751 is an apocalyptic number.

54442751 is a deficient number, since it is larger than the sum of its proper divisors (4949353).

54442751 is a wasteful number, since it uses less digits than its factorization.

54442751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949352.

The product of its digits is 22400, while the sum is 32.

The square root of 54442751 is about 7378.5331198010. The cubic root of 54442751 is about 379.0065254154.

The spelling of 54442751 in words is "fifty-four million, four hundred forty-two thousand, seven hundred fifty-one".