51156108 has 72 divisors (see below), whose sum is σ = 133066752. Its totient is φ = 16565472.

The previous prime is 51156097. The next prime is 51156109. The reversal of 51156108 is 80165115.

It is not an unprimeable number, because it can be changed into a prime (51156109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306241 + ... + 306407.

Almost surely, 2^51156108 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 51156108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66533376).

51156108 is an abundant number, since it is smaller than the sum of its proper divisors (81910644).

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

51156108 is a wasteful number, since it uses less digits than its factorization.

51156108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 51156108 is about 7152.3498236594. The cubic root of 51156108 is about 371.2209676987.

The spelling of 51156108 in words is "fifty-one million, one hundred fifty-six thousand, one hundred eight".