551077404 has 24 divisors (see below), whose sum is σ = 1297647120. Its totient is φ = 182006784.

The previous prime is 551077403. The next prime is 551077469. The reversal of 551077404 is 404770155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551077403) 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, 209349 + ... + 211964.

It is an arithmetic number, because the mean of its divisors is an integer number (54068630).

Almost surely, 2^551077404 is an apocalyptic number.

It is an amenable number.

551077404 is an abundant number, since it is smaller than the sum of its proper divisors (746569716).

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

551077404 is a wasteful number, since it uses less digits than its factorization.

551077404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421429 (or 421427 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 551077404 is about 23475.0378913432. The cubic root of 551077404 is about 819.8559155922.

The spelling of 551077404 in words is "five hundred fifty-one million, seventy-seven thousand, four hundred four".