54140072 has 32 divisors (see below), whose sum is σ = 116380800. Its totient is φ = 23129664.

The previous prime is 54140057. The next prime is 54140089. The reversal of 54140072 is 27004145.

It is a super-2 number, since 2×54140072² = 5862294792330368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18758 + ... + 21450.

It is an arithmetic number, because the mean of its divisors is an integer number (3636900).

Almost surely, 2^54140072 is an apocalyptic number.

It is an amenable number.

54140072 is an abundant number, since it is smaller than the sum of its proper divisors (62240728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54140072 is a wasteful number, since it uses less digits than its factorization.

54140072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 54140072 is about 7357.9937482985. The cubic root of 54140072 is about 378.3028469853.

The spelling of 54140072 in words is "fifty-four million, one hundred forty thousand, seventy-two".