51544133013 has 16 divisors (see below), whose sum is σ = 71120704320. Its totient is φ = 33166003584.

The previous prime is 51544132967. The next prime is 51544133027. The reversal of 51544133013 is 31033144515.

It is not a de Polignac number, because 51544133013 - 2²¹ = 51542035861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51544133813) 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, 143145 + ... + 351537.

It is an arithmetic number, because the mean of its divisors is an integer number (4445044020).

Almost surely, 2^51544133013 is an apocalyptic number.

It is an amenable number.

51544133013 is a deficient number, since it is larger than the sum of its proper divisors (19576571307).

51544133013 is a wasteful number, since it uses less digits than its factorization.

51544133013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211268.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 51544133013 its reverse (31033144515), we get a palindrome (82577277528).

The spelling of 51544133013 in words is "fifty-one billion, five hundred forty-four million, one hundred thirty-three thousand, thirteen".