553502540 has 12 divisors (see below), whose sum is σ = 1162355376. Its totient is φ = 221401008.

The previous prime is 553502527. The next prime is 553502549. The reversal of 553502540 is 45205355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (553502549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13837544 + ... + 13837583.

It is an arithmetic number, because the mean of its divisors is an integer number (96862948).

Almost surely, 2^553502540 is an apocalyptic number.

It is an amenable number.

553502540 is an abundant number, since it is smaller than the sum of its proper divisors (608852836).

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

553502540 is a wasteful number, since it uses less digits than its factorization.

553502540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27675136 (or 27675134 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 553502540 is about 23526.6346934703. The cubic root of 553502540 is about 821.0568071535.

Adding to 553502540 its reverse (45205355), we get a palindrome (598707895).

The spelling of 553502540 in words is "five hundred fifty-three million, five hundred two thousand, five hundred forty".