51526116 has 72 divisors (see below), whose sum is σ = 140343840. Its totient is φ = 15879936.

The previous prime is 51526103. The next prime is 51526117. The reversal of 51526116 is 61162515.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51526116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51526117) 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, 35395 + ... + 36821.

It is an arithmetic number, because the mean of its divisors is an integer number (1949220).

Almost surely, 2^51526116 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 51526116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70171920).

51526116 is an abundant number, since it is smaller than the sum of its proper divisors (88817724).

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

51526116 is a wasteful number, since it uses less digits than its factorization.

51526116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1508 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 51526116 is about 7178.1694045209. The cubic root of 51526116 is about 372.1138222631.

The spelling of 51526116 in words is "fifty-one million, five hundred twenty-six thousand, one hundred sixteen".