51151536 has 60 divisors (see below), whose sum is σ = 144332032. Its totient is φ = 16910208.

The previous prime is 51151531. The next prime is 51151537. The reversal of 51151536 is 63515115.

It is not an unprimeable number, because it can be changed into a prime (51151531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16890 + ... + 19686.

Almost surely, 2^51151536 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 51151536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72166016).

51151536 is an abundant number, since it is smaller than the sum of its proper divisors (93180496).

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

51151536 is a wasteful number, since it uses less digits than its factorization.

51151536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2929 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 51151536 is about 7152.0302012785. The cubic root of 51151536 is about 371.2099082646.

The spelling of 51151536 in words is "fifty-one million, one hundred fifty-one thousand, five hundred thirty-six".