51333726 has 32 divisors (see below), whose sum is σ = 106813440. Its totient is φ = 16432416.

The previous prime is 51333719. The next prime is 51333731. The reversal of 51333726 is 62733315.

It is a junction number, because it is equal to n+sod(n) for n = 51333693 and 51333702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16075 + ... + 19001.

It is an arithmetic number, because the mean of its divisors is an integer number (3337920).

Almost surely, 2^51333726 is an apocalyptic number.

51333726 is an abundant number, since it is smaller than the sum of its proper divisors (55479714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51333726 is a wasteful number, since it uses less digits than its factorization.

51333726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its digits is 11340, while the sum is 30.

The square root of 51333726 is about 7164.7558227758. The cubic root of 51333726 is about 371.6501074709.

The spelling of 51333726 in words is "fifty-one million, three hundred thirty-three thousand, seven hundred twenty-six".