54754921 has 4 divisors (see below), whose sum is σ = 58966852. Its totient is φ = 50542992.

The previous prime is 54754919. The next prime is 54754937. The reversal of 54754921 is 12945745.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 43626025 = 3336^2 + 6605^2 .

It is a cyclic number.

It is not a de Polignac number, because 54754921 - 2¹ = 54754919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54754901) 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, 2105946 + ... + 2105971.

It is an arithmetic number, because the mean of its divisors is an integer number (14741713).

Almost surely, 2^54754921 is an apocalyptic number.

It is an amenable number.

54754921 is a deficient number, since it is larger than the sum of its proper divisors (4211931).

54754921 is a wasteful number, since it uses less digits than its factorization.

54754921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211930.

The product of its digits is 50400, while the sum is 37.

The square root of 54754921 is about 7399.6568163666. The cubic root of 54754921 is about 379.7295420860.

The spelling of 54754921 in words is "fifty-four million, seven hundred fifty-four thousand, nine hundred twenty-one".