51550153203 has 8 divisors (see below), whose sum is σ = 68775998400. Its totient is φ = 34345538408.

The previous prime is 51550153199. The next prime is 51550153211. The reversal of 51550153203 is 30235105515.

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 51550153203 - 2² = 51550153199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51550154203) 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, 5301933 + ... + 5311646.

It is an arithmetic number, because the mean of its divisors is an integer number (8596999800).

Almost surely, 2^51550153203 is an apocalyptic number.

51550153203 is a deficient number, since it is larger than the sum of its proper divisors (17225845197).

51550153203 is a wasteful number, since it uses less digits than its factorization.

51550153203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615201.

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 51550153203 its reverse (30235105515), we get a palindrome (81785258718).

The spelling of 51550153203 in words is "fifty-one billion, five hundred fifty million, one hundred fifty-three thousand, two hundred three".