552651640 has 64 divisors (see below), whose sum is σ = 1323747360. Its totient is φ = 206929920.

The previous prime is 552651607. The next prime is 552651653. The reversal of 552651640 is 46156255.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 552651596 and 552651605.

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, 129135 + ... + 133345.

Almost surely, 2^552651640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552651640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661873680).

552651640 is an abundant number, since it is smaller than the sum of its proper divisors (771095720).

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

552651640 is a wasteful number, since it uses less digits than its factorization.

552651640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432 (or 4428 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 552651640 is about 23508.5439787325. The cubic root of 552651640 is about 820.6358542231.

The spelling of 552651640 in words is "five hundred fifty-two million, six hundred fifty-one thousand, six hundred forty".