51544401135 has 16 divisors (see below), whose sum is σ = 82526688384. Its totient is φ = 27471798432.

The previous prime is 51544401061. The next prime is 51544401187. The reversal of 51544401135 is 53110444515.

It is not a de Polignac number, because 51544401135 - 2¹² = 51544397039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51544401096 and 51544401105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136317 + ... + 1180806.

It is an arithmetic number, because the mean of its divisors is an integer number (5157918024).

Almost surely, 2^51544401135 is an apocalyptic number.

51544401135 is a deficient number, since it is larger than the sum of its proper divisors (30982287249).

51544401135 is a wasteful number, since it uses less digits than its factorization.

51544401135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318614.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 51544401135 in words is "fifty-one billion, five hundred forty-four million, four hundred one thousand, one hundred thirty-five".