51162264 has 96 divisors (see below), whose sum is σ = 145314000. Its totient is φ = 16240896.

The previous prime is 51162259. The next prime is 51162271. The reversal of 51162264 is 46226115.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223302 + ... + 223530.

Almost surely, 2^51162264 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 51162264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72657000).

51162264 is an abundant number, since it is smaller than the sum of its proper divisors (94151736).

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

51162264 is a wasteful number, since it uses less digits than its factorization.

51162264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 370 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 51162264 is about 7152.7801587914. The cubic root of 51162264 is about 371.2358577070.

Adding to 51162264 its reverse (46226115), we get a palindrome (97388379).

The spelling of 51162264 in words is "fifty-one million, one hundred sixty-two thousand, two hundred sixty-four".