51156051 has 8 divisors (see below), whose sum is σ = 68290560. Its totient is φ = 34062792.

The previous prime is 51156023. The next prime is 51156067. The reversal of 51156051 is 15065115.

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

It is not a de Polignac number, because 51156051 - 2⁹ = 51155539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51156011) 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 7 ways as a sum of consecutive naturals, for example, 7291 + ... + 12468.

It is an arithmetic number, because the mean of its divisors is an integer number (8536320).

Almost surely, 2^51156051 is an apocalyptic number.

51156051 is a deficient number, since it is larger than the sum of its proper divisors (17134509).

51156051 is a wasteful number, since it uses less digits than its factorization.

51156051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20625.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 51156051 is about 7152.3458389538. The cubic root of 51156051 is about 371.2208298227.

The spelling of 51156051 in words is "fifty-one million, one hundred fifty-six thousand, fifty-one".