51098901 has 16 divisors (see below), whose sum is σ = 77979648. Its totient is φ = 29156400.

The previous prime is 51098891. The next prime is 51098903. The reversal of 51098901 is 10989015.

51098901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51098901 - 2⁵ = 51098869 is a prime.

It is a super-2 number, since 2×51098901² = 5222195366815602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51098903) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17796 + ... + 20466.

It is an arithmetic number, because the mean of its divisors is an integer number (4873728).

Almost surely, 2^51098901 is an apocalyptic number.

It is an amenable number.

51098901 is a deficient number, since it is larger than the sum of its proper divisors (26880747).

51098901 is a wasteful number, since it uses less digits than its factorization.

51098901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 51098901 is about 7148.3495297866. The cubic root of 51098901 is about 371.0825394004.

The spelling of 51098901 in words is "fifty-one million, ninety-eight thousand, nine hundred one".