51633105052253 has 4 divisors (see below), whose sum is σ = 52508242426080. Its totient is φ = 50757967678428.

The previous prime is 51633105052247. The next prime is 51633105052279. The reversal of 51633105052253 is 35225050133615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51633105052253 - 2¹⁶ = 51633104986717 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 51633105052253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51633105052223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437568686825 + ... + 437568686942.

It is an arithmetic number, because the mean of its divisors is an integer number (13127060606520).

Almost surely, 2^{51633105052253} is an apocalyptic number.

It is an amenable number.

51633105052253 is a deficient number, since it is larger than the sum of its proper divisors (875137373827).

51633105052253 is an equidigital number, since it uses as much as digits as its factorization.

51633105052253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875137373826.

The product of its (nonzero) digits is 405000, while the sum is 41.

Adding to 51633105052253 its reverse (35225050133615), we get a palindrome (86858155185868).

The spelling of 51633105052253 in words is "fifty-one trillion, six hundred thirty-three billion, one hundred five million, fifty-two thousand, two hundred fifty-three".