51541776 has 120 divisors (see below), whose sum is σ = 169530816. Its totient is φ = 14411520.

The previous prime is 51541759. The next prime is 51541783. The reversal of 51541776 is 67714515.

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 51541776.

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, 19341 + ... + 21843.

Almost surely, 2^51541776 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 51541776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84765408).

51541776 is an abundant number, since it is smaller than the sum of its proper divisors (117989040).

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

51541776 is a wasteful number, since it uses less digits than its factorization.

51541776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541 (or 2532 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 51541776 is about 7179.2601290105. The cubic root of 51541776 is about 372.1515164957.

The spelling of 51541776 in words is "fifty-one million, five hundred forty-one thousand, seven hundred seventy-six".