551245252 has 24 divisors (see below), whose sum is σ = 1028316800. Its totient is φ = 257808096.

The previous prime is 551245237. The next prime is 551245259. The reversal of 551245252 is 252542155.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (551245259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39903 + ... + 51910.

Almost surely, 2^551245252 is an apocalyptic number.

It is an amenable number.

551245252 is a deficient number, since it is larger than the sum of its proper divisors (477071548).

551245252 is a wasteful number, since it uses less digits than its factorization.

551245252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91915 (or 91913 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 551245252 is about 23478.6126506657. The cubic root of 551245252 is about 819.9391447997.

The spelling of 551245252 in words is "five hundred fifty-one million, two hundred forty-five thousand, two hundred fifty-two".