51102336 has 64 divisors (see below), whose sum is σ = 137675520. Its totient is φ = 16791552.

The previous prime is 51102313. The next prime is 51102349. The reversal of 51102336 is 63320115.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×51102336² = 5222897489313792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27121 + ... + 28943.

It is an arithmetic number, because the mean of its divisors is an integer number (2151180).

Almost surely, 2^51102336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51102336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68837760).

51102336 is an abundant number, since it is smaller than the sum of its proper divisors (86573184).

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

51102336 is a wasteful number, since it uses less digits than its factorization.

51102336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51102336 is about 7148.5897910007. The cubic root of 51102336 is about 371.0908542561.

The spelling of 51102336 in words is "fifty-one million, one hundred two thousand, three hundred thirty-six".