552315540 has 48 divisors (see below), whose sum is σ = 1767411072. Its totient is φ = 126243456.

The previous prime is 552315523. The next prime is 552315619. The reversal of 552315540 is 45513255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 552315498 and 552315507.

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, 657099 + ... + 657938.

It is an arithmetic number, because the mean of its divisors is an integer number (36821064).

Almost surely, 2^552315540 is an apocalyptic number.

It is an amenable number.

552315540 is an abundant number, since it is smaller than the sum of its proper divisors (1215095532).

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

552315540 is a wasteful number, since it uses less digits than its factorization.

552315540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315056 (or 1315054 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 552315540 is about 23501.3944267143. The cubic root of 552315540 is about 820.4694614947.

Adding to 552315540 its reverse (45513255), we get a palindrome (597828795).

The spelling of 552315540 in words is "five hundred fifty-two million, three hundred fifteen thousand, five hundred forty".