51330099 has 8 divisors (see below), whose sum is σ = 68534272. Its totient is φ = 34173000.

The previous prime is 51330061. The next prime is 51330101. The reversal of 51330099 is 99003315.

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

It is not a de Polignac number, because 51330099 - 2⁸ = 51329843 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (51330049) 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, 9139 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (8566784).

Almost surely, 2^51330099 is an apocalyptic number.

51330099 is a deficient number, since it is larger than the sum of its proper divisors (17204173).

51330099 is a wasteful number, since it uses less digits than its factorization.

51330099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 51330099 is about 7164.5027043054. The cubic root of 51330099 is about 371.6413542477.

The spelling of 51330099 in words is "fifty-one million, three hundred thirty thousand, ninety-nine".