54010721 has 4 divisors (see below), whose sum is σ = 54049200. Its totient is φ = 53972244.

The previous prime is 54010703. The next prime is 54010727. The reversal of 54010721 is 12701045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54010721 - 2¹⁴ = 53994337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54010693 and 54010702.

It is not an unprimeable number, because it can be changed into a prime (54010727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17051 + ... + 19968.

It is an arithmetic number, because the mean of its divisors is an integer number (13512300).

Almost surely, 2^54010721 is an apocalyptic number.

It is an amenable number.

54010721 is a deficient number, since it is larger than the sum of its proper divisors (38479).

54010721 is a wasteful number, since it uses less digits than its factorization.

54010721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38478.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 54010721 is about 7349.1986638000. The cubic root of 54010721 is about 378.0013274125.

Adding to 54010721 its reverse (12701045), we get a palindrome (66711766).

The spelling of 54010721 in words is "fifty-four million, ten thousand, seven hundred twenty-one".