551324240525 has 24 divisors (see below), whose sum is σ = 684497934120. Its totient is φ = 440507612160.

The previous prime is 551324240521. The next prime is 551324240531. The reversal of 551324240525 is 525042423155.

It can be written as a sum of positive squares in 12 ways, for example, as 29291980201 + 522032260324 = 171149^2 + 722518^2 .

It is not a de Polignac number, because 551324240525 - 2² = 551324240521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551324240521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93489377 + ... + 93495273.

It is an arithmetic number, because the mean of its divisors is an integer number (28520747255).

Almost surely, 2^551324240525 is an apocalyptic number.

It is an amenable number.

551324240525 is a deficient number, since it is larger than the sum of its proper divisors (133173693595).

551324240525 is a wasteful number, since it uses less digits than its factorization.

551324240525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953 (or 9948 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 551324240525 in words is "five hundred fifty-one billion, three hundred twenty-four million, two hundred forty thousand, five hundred twenty-five".