51324751 has 8 divisors (see below), whose sum is σ = 56218320. Its totient is φ = 46639488.

The previous prime is 51324739. The next prime is 51324811. The reversal of 51324751 is 15742315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51324751 - 2⁹ = 51324239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51324151) 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, 51561 + ... + 52546.

It is an arithmetic number, because the mean of its divisors is an integer number (7027290).

Almost surely, 2^51324751 is an apocalyptic number.

51324751 is a deficient number, since it is larger than the sum of its proper divisors (4893569).

51324751 is a wasteful number, since it uses less digits than its factorization.

51324751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104153.

The product of its digits is 4200, while the sum is 28.

The square root of 51324751 is about 7164.1294656085. The cubic root of 51324751 is about 371.6284468956.

The spelling of 51324751 in words is "fifty-one million, three hundred twenty-four thousand, seven hundred fifty-one".