51141699 has 20 divisors (see below), whose sum is σ = 87311664. Its totient is φ = 29223504.

The previous prime is 51141667. The next prime is 51141707. The reversal of 51141699 is 99614115.

It is not a de Polignac number, because 51141699 - 2⁵ = 51141667 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51141619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44532 + ... + 45665.

Almost surely, 2^51141699 is an apocalyptic number.

51141699 is a deficient number, since it is larger than the sum of its proper divisors (36169965).

51141699 is an equidigital number, since it uses as much as digits as its factorization.

51141699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90216 (or 90207 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 51141699 is about 7151.3424613844. The cubic root of 51141699 is about 371.1861108301.

The spelling of 51141699 in words is "fifty-one million, one hundred forty-one thousand, six hundred ninety-nine".