51237036 has 48 divisors (see below), whose sum is σ = 134499680. Its totient is φ = 17076096.

The previous prime is 51237019. The next prime is 51237073. The reversal of 51237036 is 63073215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 5820 + ... + 11676.

Almost surely, 2^51237036 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 51237036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67249840).

51237036 is an abundant number, since it is smaller than the sum of its proper divisors (83262644).

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

51237036 is an equidigital number, since it uses as much as digits as its factorization.

51237036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882 (or 5862 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 51237036 is about 7158.0050293360. The cubic root of 51237036 is about 371.4166194238.

The spelling of 51237036 in words is "fifty-one million, two hundred thirty-seven thousand, thirty-six".