551126406 has 16 divisors (see below), whose sum is σ = 1110933504. Its totient is φ = 182262024.

The previous prime is 551126377. The next prime is 551126413. The reversal of 551126406 is 604621155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360870 + ... + 362393.

It is an arithmetic number, because the mean of its divisors is an integer number (69433344).

Almost surely, 2^551126406 is an apocalyptic number.

551126406 is an abundant number, since it is smaller than the sum of its proper divisors (559807098).

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

551126406 is a wasteful number, since it uses less digits than its factorization.

551126406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723395.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 551126406 is about 23476.0815725282. The cubic root of 551126406 is about 819.8802154991.

The spelling of 551126406 in words is "five hundred fifty-one million, one hundred twenty-six thousand, four hundred six".