553480840 has 32 divisors (see below), whose sum is σ = 1358544960. Its totient is φ = 201265600.

The previous prime is 553480831. The next prime is 553480847. The reversal of 553480840 is 48084355.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 553480840.

It is not an unprimeable number, because it can be changed into a prime (553480847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628516 + ... + 629395.

It is an arithmetic number, because the mean of its divisors is an integer number (42454530).

Almost surely, 2^553480840 is an apocalyptic number.

It is an amenable number.

553480840 is an abundant number, since it is smaller than the sum of its proper divisors (805064120).

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

553480840 is a wasteful number, since it uses less digits than its factorization.

553480840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257933 (or 1257929 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 553480840 is about 23526.1735095191. The cubic root of 553480840 is about 821.0460772024.

The spelling of 553480840 in words is "five hundred fifty-three million, four hundred eighty thousand, eight hundred forty".