553485840 has 40 divisors (see below), whose sum is σ = 1715806848. Its totient is φ = 147596160.

The previous prime is 553485833. The next prime is 553485841. The reversal of 553485840 is 48584355.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 553485792 and 553485801.

It is not an unprimeable number, because it can be changed into a prime (553485841) 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, 1152856 + ... + 1153335.

Almost surely, 2^553485840 is an apocalyptic number.

It is an amenable number.

553485840 is an abundant number, since it is smaller than the sum of its proper divisors (1162321008).

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

553485840 is a wasteful number, since it uses less digits than its factorization.

553485840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306207 (or 2306201 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The square root of 553485840 is about 23526.2797739039. The cubic root of 553485840 is about 821.0485495662.

The spelling of 553485840 in words is "five hundred fifty-three million, four hundred eighty-five thousand, eight hundred forty".