51941736 has 192 divisors, whose sum is σ = 182407680. Its totient is φ = 13452480.

The previous prime is 51941719. The next prime is 51941737. The reversal of 51941736 is 63714915.

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 51941736.

It is not an unprimeable number, because it can be changed into a prime (51941737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149515 + ... + 149861.

It is an arithmetic number, because the mean of its divisors is an integer number (950040).

Almost surely, 2^51941736 is an apocalyptic number.

51941736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51941736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91203840).

51941736 is an abundant number, since it is smaller than the sum of its proper divisors (130465944).

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

51941736 is a wasteful number, since it uses less digits than its factorization.

51941736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 370 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 51941736 is about 7207.0615371315. The cubic root of 51941736 is about 373.1116590771. Note that the first 3 decimals are identical.

The spelling of 51941736 in words is "fifty-one million, nine hundred forty-one thousand, seven hundred thirty-six".