54721672 has 32 divisors (see below), whose sum is σ = 108367200. Its totient is φ = 25833600.

The previous prime is 54721661. The next prime is 54721673. The reversal of 54721672 is 27612745.

It is a super-2 number, since 2×54721672² = 5988922772951168, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54721673) 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, 78847 + ... + 79537.

It is an arithmetic number, because the mean of its divisors is an integer number (3386475).

Almost surely, 2^54721672 is an apocalyptic number.

It is an amenable number.

54721672 is a deficient number, since it is larger than the sum of its proper divisors (53645528).

54721672 is a wasteful number, since it uses less digits than its factorization.

54721672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1233 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 54721672 is about 7397.4098169562. The cubic root of 54721672 is about 379.6526650751.

The spelling of 54721672 in words is "fifty-four million, seven hundred twenty-one thousand, six hundred seventy-two".