51033201551 has 8 divisors (see below), whose sum is σ = 51865956000. Its totient is φ = 50206210560.

The previous prime is 51033201509. The next prime is 51033201671. The reversal of 51033201551 is 15510233015.

It is a happy number.

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 51033201551 - 2¹⁰ = 51033200527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51033201551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51033200551) 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, 1423010 + ... + 1458431.

It is an arithmetic number, because the mean of its divisors is an integer number (6483244500).

Almost surely, 2^51033201551 is an apocalyptic number.

51033201551 is a deficient number, since it is larger than the sum of its proper divisors (832754449).

51033201551 is a wasteful number, since it uses less digits than its factorization.

51033201551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881729.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 51033201551 its reverse (15510233015), we get a palindrome (66543434566).

The spelling of 51033201551 in words is "fifty-one billion, thirty-three million, two hundred one thousand, five hundred fifty-one".