551929898 has 16 divisors (see below), whose sum is σ = 938505120. Its totient is φ = 241329456.

The previous prime is 551929877. The next prime is 551929907. The reversal of 551929898 is 898929155.

It is a super-2 number, since 2×551929898² = 609253224612580808, which contains 22 as substring.

It is a Curzon 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, 558140 + ... + 559127.

It is an arithmetic number, because the mean of its divisors is an integer number (58656570).

Almost surely, 2^551929898 is an apocalyptic number.

551929898 is a deficient number, since it is larger than the sum of its proper divisors (386575222).

551929898 is a wasteful number, since it uses less digits than its factorization.

551929898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117301.

The product of its digits is 2332800, while the sum is 56.

The square root of 551929898 is about 23493.1883319400. The cubic root of 551929898 is about 820.2784588695.

The spelling of 551929898 in words is "five hundred fifty-one million, nine hundred twenty-nine thousand, eight hundred ninety-eight".