51098100 has 36 divisors (see below), whose sum is σ = 147844704. Its totient is φ = 13626080.

The previous prime is 51098083. The next prime is 51098161. The reversal of 51098100 is 189015.

It is a super-2 number, since 2×51098100² = 5222031647220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84864 + ... + 85463.

Almost surely, 2^51098100 is an apocalyptic number.

51098100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51098100 is an abundant number, since it is smaller than the sum of its proper divisors (96746604).

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

51098100 is a wasteful number, since it uses less digits than its factorization.

51098100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170344 (or 170337 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 51098100 is about 7148.2935026480. The cubic root of 51098100 is about 371.0806004242.

The spelling of 51098100 in words is "fifty-one million, ninety-eight thousand, one hundred".