51153264 has 60 divisors (see below), whose sum is σ = 144515800. Its totient is φ = 16889472.

The previous prime is 51153257. The next prime is 51153287. The reversal of 51153264 is 46235115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14067 + ... + 17325.

Almost surely, 2^51153264 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 51153264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72257900).

51153264 is an abundant number, since it is smaller than the sum of its proper divisors (93362536).

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

51153264 is a wasteful number, since it uses less digits than its factorization.

51153264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3373 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 51153264 is about 7152.1510051173. The cubic root of 51153264 is about 371.2140882856.

Adding to 51153264 its reverse (46235115), we get a palindrome (97388379).

The spelling of 51153264 in words is "fifty-one million, one hundred fifty-three thousand, two hundred sixty-four".