51896364 has 48 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 15762240.

The previous prime is 51896363. The next prime is 51896371. The reversal of 51896364 is 46369815.

It is not an unprimeable number, because it can be changed into a prime (51896363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10219 + ... + 14429.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^51896364 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 51896364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

51896364 is an abundant number, since it is smaller than the sum of its proper divisors (80191956).

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

51896364 is a wasteful number, since it uses less digits than its factorization.

51896364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4308 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 51896364 is about 7203.9131033071. The cubic root of 51896364 is about 373.0029876110.

The spelling of 51896364 in words is "fifty-one million, eight hundred ninety-six thousand, three hundred sixty-four".