54721473 has 8 divisors (see below), whose sum is σ = 73003200. Its totient is φ = 36460368.

The previous prime is 54721441. The next prime is 54721517. The reversal of 54721473 is 37412745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54721473 - 2⁵ = 54721441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54721423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2788 + ... + 10826.

It is an arithmetic number, because the mean of its divisors is an integer number (9125400).

Almost surely, 2^54721473 is an apocalyptic number.

It is an amenable number.

54721473 is a deficient number, since it is larger than the sum of its proper divisors (18281727).

54721473 is a wasteful number, since it uses less digits than its factorization.

54721473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311.

The product of its digits is 23520, while the sum is 33.

The square root of 54721473 is about 7397.3963662900. The cubic root of 54721473 is about 379.6522048615.

The spelling of 54721473 in words is "fifty-four million, seven hundred twenty-one thousand, four hundred seventy-three".