50551451253 has 6 divisors (see below), whose sum is σ = 73018762934. Its totient is φ = 33700967496.

The previous prime is 50551451233. The next prime is 50551451257. The reversal of 50551451253 is 35215415505.

50551451253 is a `hidden beast` number, since 5 + 0 + 551 + 4 + 51 + 2 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34360924689 + 16190526564 = 185367^2 + 127242^2 .

It is not a de Polignac number, because 50551451253 - 2⁶ = 50551451189 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 (50551451257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808413950 + ... + 2808413967.

Almost surely, 2^50551451253 is an apocalyptic number.

It is an amenable number.

50551451253 is a deficient number, since it is larger than the sum of its proper divisors (22467311681).

50551451253 is a wasteful number, since it uses less digits than its factorization.

50551451253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616827923 (or 5616827920 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

Adding to 50551451253 its reverse (35215415505), we get a palindrome (85766866758).

The spelling of 50551451253 in words is "fifty billion, five hundred fifty-one million, four hundred fifty-one thousand, two hundred fifty-three".