551907265 has 64 divisors (see below), whose sum is σ = 851880960. Its totient is φ = 333849600.

The previous prime is 551907253. The next prime is 551907271. The reversal of 551907265 is 562709155.

551907265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-551907265 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1992307 + ... + 1992583.

It is an arithmetic number, because the mean of its divisors is an integer number (13310640).

Almost surely, 2^551907265 is an apocalyptic number.

It is an amenable number.

551907265 is a deficient number, since it is larger than the sum of its proper divisors (299973695).

551907265 is a wasteful number, since it uses less digits than its factorization.

551907265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 551907265 is about 23492.7066341876. The cubic root of 551907265 is about 820.2672463247.

The spelling of 551907265 in words is "five hundred fifty-one million, nine hundred seven thousand, two hundred sixty-five".