551363431 has 8 divisors (see below), whose sum is σ = 586072800. Its totient is φ = 516907008.

The previous prime is 551363401. The next prime is 551363441. The reversal of 551363431 is 134363155.

551363431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551363431 - 2²⁹ = 14492519 is a prime.

It is a super-2 number, since 2×551363431² = 608003266088183522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551363393 and 551363402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551363401) 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, 58731 + ... + 67468.

It is an arithmetic number, because the mean of its divisors is an integer number (73259100).

Almost surely, 2^551363431 is an apocalyptic number.

551363431 is a deficient number, since it is larger than the sum of its proper divisors (34709369).

551363431 is a wasteful number, since it uses less digits than its factorization.

551363431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126473.

The product of its digits is 16200, while the sum is 31.

The square root of 551363431 is about 23481.1292530832. The cubic root of 551363431 is about 819.9977349729.

The spelling of 551363431 in words is "five hundred fifty-one million, three hundred sixty-three thousand, four hundred thirty-one".