55038956 has 18 divisors (see below), whose sum is σ = 112043988. Its totient is φ = 23588040.

The previous prime is 55038937. The next prime is 55038983. The reversal of 55038956 is 65983055.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140210 + ... + 140601.

It is an arithmetic number, because the mean of its divisors is an integer number (6224666).

Almost surely, 2^55038956 is an apocalyptic number.

It is an amenable number.

55038956 is an abundant number, since it is smaller than the sum of its proper divisors (57005032).

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

55038956 is a wasteful number, since it uses less digits than its factorization.

55038956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280829 (or 280820 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 55038956 is about 7418.8244351784. The cubic root of 55038956 is about 380.3850114413.

The spelling of 55038956 in words is "fifty-five million, thirty-eight thousand, nine hundred fifty-six".