551252340 has 72 divisors (see below), whose sum is σ = 1700506080. Its totient is φ = 144506304.

The previous prime is 551252309. The next prime is 551252357. The reversal of 551252340 is 43252155.

It is a happy number.

551252340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15334 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (23618140).

Almost surely, 2^551252340 is an apocalyptic number.

It is an amenable number.

551252340 is an abundant number, since it is smaller than the sum of its proper divisors (1149253740).

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

551252340 is a wasteful number, since it uses less digits than its factorization.

551252340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51981 (or 51976 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 551252340 is about 23478.7635960670. The cubic root of 551252340 is about 819.9426590877.

The spelling of 551252340 in words is "five hundred fifty-one million, two hundred fifty-two thousand, three hundred forty".