51982151 has 16 divisors (see below), whose sum is σ = 58388064. Its totient is φ = 45961344.

The previous prime is 51982129. The next prime is 51982163. The reversal of 51982151 is 15128915.

It is not a de Polignac number, because 51982151 - 2⁶ = 51982087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51982111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31421 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (3649254).

Almost surely, 2^51982151 is an apocalyptic number.

51982151 is a deficient number, since it is larger than the sum of its proper divisors (6405913).

51982151 is a wasteful number, since it uses less digits than its factorization.

51982151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730.

The product of its digits is 3600, while the sum is 32.

The square root of 51982151 is about 7209.8648392324. The cubic root of 51982151 is about 373.2084046460.

The spelling of 51982151 in words is "fifty-one million, nine hundred eighty-two thousand, one hundred fifty-one".