54460721 has 8 divisors (see below), whose sum is σ = 62509824. Its totient is φ = 46478880.

The previous prime is 54460709. The next prime is 54460727. The reversal of 54460721 is 12706445.

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

It is not a de Polignac number, because 54460721 - 2⁶ = 54460657 is a prime.

It is a super-3 number, since 3×54460721³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54460727) 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, 15065 + ... + 18326.

It is an arithmetic number, because the mean of its divisors is an integer number (7813728).

Almost surely, 2^54460721 is an apocalyptic number.

It is an amenable number.

54460721 is a deficient number, since it is larger than the sum of its proper divisors (8049103).

54460721 is a wasteful number, since it uses less digits than its factorization.

54460721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33631.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 54460721 is about 7379.7507410481. The cubic root of 54460721 is about 379.0482205779.

The spelling of 54460721 in words is "fifty-four million, four hundred sixty thousand, seven hundred twenty-one".