550624431 has 8 divisors (see below), whose sum is σ = 839046784. Its totient is φ = 314642520.

The previous prime is 550624409. The next prime is 550624447. The reversal of 550624431 is 134426055.

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

It is not a de Polignac number, because 550624431 - 2⁹ = 550623919 is a prime.

It is a super-2 number, since 2×550624431² = 606374528028147522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550624471) 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, 13110085 + ... + 13110126.

It is an arithmetic number, because the mean of its divisors is an integer number (104880848).

Almost surely, 2^550624431 is an apocalyptic number.

550624431 is a deficient number, since it is larger than the sum of its proper divisors (288422353).

550624431 is a wasteful number, since it uses less digits than its factorization.

550624431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26220221.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 550624431 is about 23465.3879362776. The cubic root of 550624431 is about 819.6312197566.

The spelling of 550624431 in words is "five hundred fifty million, six hundred twenty-four thousand, four hundred thirty-one".