555867840 has 112 divisors (see below), whose sum is σ = 1925360640. Its totient is φ = 134753280.

The previous prime is 555867827. The next prime is 555867859. The reversal of 555867840 is 48768555.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 555867840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15760 + ... + 36879.

It is an arithmetic number, because the mean of its divisors is an integer number (17190720).

Almost surely, 2^555867840 is an apocalyptic number.

It is an amenable number.

555867840 is an abundant number, since it is smaller than the sum of its proper divisors (1369492800).

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

555867840 is a wasteful number, since it uses less digits than its factorization.

555867840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52670 (or 52660 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 555867840 is about 23576.8496623277. The cubic root of 555867840 is about 822.2246945249.

The spelling of 555867840 in words is "five hundred fifty-five million, eight hundred sixty-seven thousand, eight hundred forty".