51550035551 has 8 divisors (see below), whose sum is σ = 58921104384. Its totient is φ = 44180661240.

The previous prime is 51550035517. The next prime is 51550035553. The reversal of 51550035551 is 15553005515.

51550035551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51550035551 - 2³⁰ = 50476293727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550035553) 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, 357755 + ... + 480716.

It is an arithmetic number, because the mean of its divisors is an integer number (7365138048).

Almost surely, 2^51550035551 is an apocalyptic number.

51550035551 is a deficient number, since it is larger than the sum of its proper divisors (7371068833).

51550035551 is an equidigital number, since it uses as much as digits as its factorization.

51550035551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847261.

The product of its (nonzero) digits is 46875, while the sum is 35.

The spelling of 51550035551 in words is "fifty-one billion, five hundred fifty million, thirty-five thousand, five hundred fifty-one".