51737200040 has 32 divisors (see below), whose sum is σ = 121469950080. Its totient is φ = 19795102272.

The previous prime is 51737200001. The next prime is 51737200043. The reversal of 51737200040 is 4000273715.

It is a junction number, because it is equal to n+sod(n) for n = 51737199976 and 51737200012.

It is not an unprimeable number, because it can be changed into a prime (51737200043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28117124 + ... + 28118963.

It is an arithmetic number, because the mean of its divisors is an integer number (3795935940).

Almost surely, 2^51737200040 is an apocalyptic number.

It is an amenable number.

51737200040 is an abundant number, since it is smaller than the sum of its proper divisors (69732750040).

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

51737200040 is a wasteful number, since it uses less digits than its factorization.

51737200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56236121 (or 56236117 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

Adding to 51737200040 its reverse (4000273715), we get a palindrome (55737473755).

The spelling of 51737200040 in words is "fifty-one billion, seven hundred thirty-seven million, two hundred thousand, forty".