51501036 has 24 divisors (see below), whose sum is σ = 120406384. Its totient is φ = 17133120.

The previous prime is 51501031. The next prime is 51501059. The reversal of 51501036 is 63010515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51501031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526 + ... + 10458.

Almost surely, 2^51501036 is an apocalyptic number.

It is an amenable number.

51501036 is an abundant number, since it is smaller than the sum of its proper divisors (68905348).

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

51501036 is a wasteful number, since it uses less digits than its factorization.

51501036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481 (or 8479 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 51501036 is about 7176.4222283809. The cubic root of 51501036 is about 372.0534378083.

The spelling of 51501036 in words is "fifty-one million, five hundred one thousand, thirty-six".