55968740 has 12 divisors (see below), whose sum is σ = 117534396. Its totient is φ = 22387488.

The previous prime is 55968719. The next prime is 55968749. The reversal of 55968740 is 4786955.

It can be written as a sum of positive squares in 2 ways, for example, as 24068836 + 31899904 = 4906^2 + 5648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55968691 and 55968700.

It is not an unprimeable number, because it can be changed into a prime (55968749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399199 + ... + 1399238.

It is an arithmetic number, because the mean of its divisors is an integer number (9794533).

Almost surely, 2^55968740 is an apocalyptic number.

It is an amenable number.

55968740 is an abundant number, since it is smaller than the sum of its proper divisors (61565656).

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

55968740 is a wasteful number, since it uses less digits than its factorization.

55968740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798446 (or 2798444 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 55968740 is about 7481.2258353829. The cubic root of 55968740 is about 382.5150349367.

The spelling of 55968740 in words is "fifty-five million, nine hundred sixty-eight thousand, seven hundred forty".