551485434 has 8 divisors (see below), whose sum is σ = 1102970880. Its totient is φ = 183828476.

The previous prime is 551485427. The next prime is 551485447. The reversal of 551485434 is 434584155.

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

551485434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 551485392 and 551485401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45957114 + ... + 45957125.

It is an arithmetic number, because the mean of its divisors is an integer number (137871360).

Almost surely, 2^551485434 is an apocalyptic number.

551485434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

551485434 is a wasteful number, since it uses less digits than its factorization.

551485434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91914244.

The product of its digits is 192000, while the sum is 39.

The square root of 551485434 is about 23483.7270040341. The cubic root of 551485434 is about 820.0582122069.

The spelling of 551485434 in words is "five hundred fifty-one million, four hundred eighty-five thousand, four hundred thirty-four".