5151020552 has 8 divisors (see below), whose sum is σ = 9658163550. Its totient is φ = 2575510272.

The previous prime is 5151020549. The next prime is 5151020561. The reversal of 5151020552 is 2550201515.

It can be written as a sum of positive squares in only one way, i.e., 4100353156 + 1050667396 = 64034^2 + 32414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321938777 + ... + 321938792.

Almost surely, 2^5151020552 is an apocalyptic number.

It is an amenable number.

5151020552 is a deficient number, since it is larger than the sum of its proper divisors (4507142998).

5151020552 is a wasteful number, since it uses less digits than its factorization.

5151020552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643877575 (or 643877571 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 5151020552 is about 71770.6106425186. The cubic root of 5151020552 is about 1727.0215663274.

The spelling of 5151020552 in words is "five billion, one hundred fifty-one million, twenty thousand, five hundred fifty-two".