51550030254 has 64 divisors (see below), whose sum is σ = 105644095488. Its totient is φ = 16765056000.

The previous prime is 51550030237. The next prime is 51550030261. The reversal of 51550030254 is 45203005515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49048029 + ... + 49049079.

It is an arithmetic number, because the mean of its divisors is an integer number (1650688992).

Almost surely, 2^51550030254 is an apocalyptic number.

51550030254 is an abundant number, since it is smaller than the sum of its proper divisors (54094065234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51550030254 is a wasteful number, since it uses less digits than its factorization.

51550030254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 51550030254 its reverse (45203005515), we get a palindrome (96753035769).

The spelling of 51550030254 in words is "fifty-one billion, five hundred fifty million, thirty thousand, two hundred fifty-four".