51600553540 has 24 divisors (see below), whose sum is σ = 108369942912. Its totient is φ = 20638548960.

The previous prime is 51600553531. The next prime is 51600553549. The reversal of 51600553540 is 4535500615.

It is an interprime number because it is at equal distance from previous prime (51600553531) and next prime (51600553549).

It is a junction number, because it is equal to n+sod(n) for n = 51600553496 and 51600553505.

It is not an unprimeable number, because it can be changed into a prime (51600553549) 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, 165477 + ... + 361363.

It is an arithmetic number, because the mean of its divisors is an integer number (4515414288).

Almost surely, 2^51600553540 is an apocalyptic number.

It is an amenable number.

51600553540 is an abundant number, since it is smaller than the sum of its proper divisors (56769389372).

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

51600553540 is a wasteful number, since it uses less digits than its factorization.

51600553540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209067 (or 209065 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 51600553540 in words is "fifty-one billion, six hundred million, five hundred fifty-three thousand, five hundred forty".