553415640 has 64 divisors (see below), whose sum is σ = 1662996960. Its totient is φ = 147333120.

The previous prime is 553415591. The next prime is 553415711. The reversal of 553415640 is 46514355.

553415640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 75832 + ... + 82808.

Almost surely, 2^553415640 is an apocalyptic number.

It is an amenable number.

553415640 is an abundant number, since it is smaller than the sum of its proper divisors (1109581320).

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

553415640 is a wasteful number, since it uses less digits than its factorization.

553415640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7648 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 553415640 is about 23524.7877780013. The cubic root of 553415640 is about 821.0138362149.

Adding to 553415640 its reverse (46514355), we get a palindrome (599929995).

The spelling of 553415640 in words is "five hundred fifty-three million, four hundred fifteen thousand, six hundred forty".