551785954 has 16 divisors (see below), whose sum is σ = 892493280. Its totient is φ = 254996640.

The previous prime is 551785901. The next prime is 551785967. The reversal of 551785954 is 459587155.

It is a junction number, because it is equal to n+sod(n) for n = 551785898 and 551785907.

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, 175524 + ... + 178639.

It is an arithmetic number, because the mean of its divisors is an integer number (55780830).

Almost surely, 2^551785954 is an apocalyptic number.

551785954 is a deficient number, since it is larger than the sum of its proper divisors (340707326).

551785954 is a wasteful number, since it uses less digits than its factorization.

551785954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354225.

The product of its digits is 1260000, while the sum is 49.

The square root of 551785954 is about 23490.1246058849. The cubic root of 551785954 is about 820.2071427906.

The spelling of 551785954 in words is "five hundred fifty-one million, seven hundred eighty-five thousand, nine hundred fifty-four".