51277536 has 120 divisors (see below), whose sum is σ = 153435744. Its totient is φ = 16796160.

The previous prime is 51277493. The next prime is 51277571. The reversal of 51277536 is 63577215.

51277536 is a `hidden beast` number, since 51 + 2 + 77 + 536 = 666.

51277536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51277536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189081 + ... + 189351.

Almost surely, 2^51277536 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 51277536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76717872).

51277536 is an abundant number, since it is smaller than the sum of its proper divisors (102158208).

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

51277536 is a wasteful number, since it uses less digits than its factorization.

51277536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 349 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 51277536 is about 7160.8334710423. The cubic root of 51277536 is about 371.5144549780.

The spelling of 51277536 in words is "fifty-one million, two hundred seventy-seven thousand, five hundred thirty-six".