51098530 has 16 divisors (see below), whose sum is σ = 105117120. Its totient is φ = 17519472.

The previous prime is 51098513. The next prime is 51098563. The reversal of 51098530 is 3589015.

51098530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51098530² = 5222119536321800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51098492 and 51098501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364920 + ... + 365059.

It is an arithmetic number, because the mean of its divisors is an integer number (6569820).

Almost surely, 2^51098530 is an apocalyptic number.

51098530 is an abundant number, since it is smaller than the sum of its proper divisors (54018590).

51098530 is a wasteful number, since it uses less digits than its factorization.

51098530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729993.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51098530 is about 7148.3235796934. The cubic root of 51098530 is about 371.0816413253.

The spelling of 51098530 in words is "fifty-one million, ninety-eight thousand, five hundred thirty".