51536726 has 8 divisors (see below), whose sum is σ = 78014640. Its totient is φ = 25531848.

The previous prime is 51536711. The next prime is 51536729. The reversal of 51536726 is 62763515.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51536729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117986 + ... + 118421.

It is an arithmetic number, because the mean of its divisors is an integer number (9751830).

Almost surely, 2^51536726 is an apocalyptic number.

51536726 is a deficient number, since it is larger than the sum of its proper divisors (26477914).

51536726 is a wasteful number, since it uses less digits than its factorization.

51536726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236518.

The product of its digits is 37800, while the sum is 35.

The square root of 51536726 is about 7178.9084128438. The cubic root of 51536726 is about 372.1393617824.

The spelling of 51536726 in words is "fifty-one million, five hundred thirty-six thousand, seven hundred twenty-six".