51144099 has 8 divisors (see below), whose sum is σ = 69478992. Its totient is φ = 33452640.

The previous prime is 51144073. The next prime is 51144127. The reversal of 51144099 is 99044115.

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

It is not a de Polignac number, because 51144099 - 2⁷ = 51143971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51144299) 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, 160672 + ... + 160989.

It is an arithmetic number, because the mean of its divisors is an integer number (8684874).

Almost surely, 2^51144099 is an apocalyptic number.

51144099 is a deficient number, since it is larger than the sum of its proper divisors (18334893).

51144099 is a wasteful number, since it uses less digits than its factorization.

51144099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321717.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 51144099 is about 7151.5102600779. The cubic root of 51144099 is about 371.1919171340.

The spelling of 51144099 in words is "fifty-one million, one hundred forty-four thousand, ninety-nine".