54049751 has 4 divisors (see below), whose sum is σ = 61771152. Its totient is φ = 46328352.

The previous prime is 54049739. The next prime is 54049757. The reversal of 54049751 is 15794045.

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

It is not a de Polignac number, because 54049751 - 2¹⁰ = 54048727 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 (54049757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3860690 + ... + 3860703.

It is an arithmetic number, because the mean of its divisors is an integer number (15442788).

Almost surely, 2^54049751 is an apocalyptic number.

54049751 is a deficient number, since it is larger than the sum of its proper divisors (7721401).

54049751 is an equidigital number, since it uses as much as digits as its factorization.

54049751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721400.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 54049751 is about 7351.8535757998. The cubic root of 54049751 is about 378.0923577313.

The spelling of 54049751 in words is "fifty-four million, forty-nine thousand, seven hundred fifty-one".