51211032 has 16 divisors (see below), whose sum is σ = 128027640. Its totient is φ = 17070336.

The previous prime is 51211031. The next prime is 51211049. The reversal of 51211032 is 23011215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51211031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066873 + ... + 1066920.

Almost surely, 2^51211032 is an apocalyptic number.

It is an amenable number.

51211032 is an abundant number, since it is smaller than the sum of its proper divisors (76816608).

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

51211032 is a wasteful number, since it uses less digits than its factorization.

51211032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133802 (or 2133798 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51211032 is about 7156.1883709137. The cubic root of 51211032 is about 371.3537745696.

Adding to 51211032 its reverse (23011215), we get a palindrome (74222247).

The spelling of 51211032 in words is "fifty-one million, two hundred eleven thousand, thirty-two".