51599360 has 48 divisors (see below), whose sum is σ = 123832800. Its totient is φ = 20635648.

The previous prime is 51599347. The next prime is 51599363. The reversal of 51599360 is 6399515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51599363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7721 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (2579850).

Almost surely, 2^51599360 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 51599360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61916400).

51599360 is an abundant number, since it is smaller than the sum of its proper divisors (72233440).

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

51599360 is an equidigital number, since it uses as much as digits as its factorization.

51599360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 5046 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 51599360 is about 7183.2694506053. The cubic root of 51599360 is about 372.2900578163.

The spelling of 51599360 in words is "fifty-one million, five hundred ninety-nine thousand, three hundred sixty".