51550527049 has 16 divisors (see below), whose sum is σ = 63596286720. Its totient is φ = 40807609920.

The previous prime is 51550527047. The next prime is 51550527053. The reversal of 51550527049 is 94072505515.

It is not a de Polignac number, because 51550527049 - 2¹ = 51550527047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51550526996 and 51550527014.

It is not an unprimeable number, because it can be changed into a prime (51550527047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515842 + ... + 5525179.

It is an arithmetic number, because the mean of its divisors is an integer number (3974767920).

Almost surely, 2^51550527049 is an apocalyptic number.

It is an amenable number.

51550527049 is a deficient number, since it is larger than the sum of its proper divisors (12045759671).

51550527049 is a wasteful number, since it uses less digits than its factorization.

51550527049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041080.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 51550527049 in words is "fifty-one billion, five hundred fifty million, five hundred twenty-seven thousand, forty-nine".