54872740 has 24 divisors (see below), whose sum is σ = 124097400. Its totient is φ = 20260608.

The previous prime is 54872737. The next prime is 54872749. The reversal of 54872740 is 4727845.

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 54051904 = 906^2 + 7352^2 .

It is a super-2 number, since 2×54872740² = 6022035190215200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54872740.

It is not an unprimeable number, because it can be changed into a prime (54872749) 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 7 ways as a sum of consecutive naturals, for example, 105265 + ... + 105784.

It is an arithmetic number, because the mean of its divisors is an integer number (5170725).

Almost surely, 2^54872740 is an apocalyptic number.

It is an amenable number.

54872740 is an abundant number, since it is smaller than the sum of its proper divisors (69224660).

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

54872740 is a wasteful number, since it uses less digits than its factorization.

54872740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211071 (or 211069 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 54872740 is about 7407.6136508325. The cubic root of 54872740 is about 380.0017082102.

The spelling of 54872740 in words is "fifty-four million, eight hundred seventy-two thousand, seven hundred forty".