51703080 has 256 divisors, whose sum is σ = 191600640. Its totient is φ = 10982400.

The previous prime is 51703063. The next prime is 51703081. The reversal of 51703080 is 8030715.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 51703080.

It is not an unprimeable number, because it can be changed into a prime (51703081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394615 + ... + 394745.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^51703080 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 51703080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95800320).

51703080 is an abundant number, since it is smaller than the sum of its proper divisors (139897560).

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

51703080 is a wasteful number, since it uses less digits than its factorization.

51703080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 51703080 is about 7190.4853800004. The cubic root of 51703080 is about 372.5393379172.

Adding to 51703080 its reverse (8030715), we get a palindrome (59733795).

The spelling of 51703080 in words is "fifty-one million, seven hundred three thousand, eighty".