551364432 has 20 divisors (see below), whose sum is σ = 1424358240. Its totient is φ = 183788128.

The previous prime is 551364427. The next prime is 551364449. The reversal of 551364432 is 234463155.

It is a junction number, because it is equal to n+sod(n) for n = 551364393 and 551364402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5743332 + ... + 5743427.

It is an arithmetic number, because the mean of its divisors is an integer number (71217912).

Almost surely, 2^551364432 is an apocalyptic number.

It is an amenable number.

551364432 is an abundant number, since it is smaller than the sum of its proper divisors (872993808).

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

551364432 is a wasteful number, since it uses less digits than its factorization.

551364432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486770 (or 11486764 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 551364432 is about 23481.1505680620. The cubic root of 551364432 is about 819.9982312078.

The spelling of 551364432 in words is "five hundred fifty-one million, three hundred sixty-four thousand, four hundred thirty-two".