51010099 has 8 divisors (see below), whose sum is σ = 58426880. Its totient is φ = 43625736.

The previous prime is 51010061. The next prime is 51010103. The reversal of 51010099 is 99001015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51010099 - 2⁹ = 51009587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51010019) 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, 4629 + ... + 11110.

It is an arithmetic number, because the mean of its divisors is an integer number (7303360).

Almost surely, 2^51010099 is an apocalyptic number.

51010099 is a deficient number, since it is larger than the sum of its proper divisors (7416781).

51010099 is a wasteful number, since it uses less digits than its factorization.

51010099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16209.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 51010099 is about 7142.1354649712. The cubic root of 51010099 is about 370.8674533714.

It can be divided in two parts, 510 and 10099, that added together give a square (10609 = 103²).

The spelling of 51010099 in words is "fifty-one million, ten thousand, ninety-nine".