51552142214 has 4 divisors (see below), whose sum is σ = 77328213324. Its totient is φ = 25776071106.

The previous prime is 51552142211. The next prime is 51552142223. The reversal of 51552142214 is 41224125515.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552142211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12888035552 + ... + 12888035555.

It is an arithmetic number, because the mean of its divisors is an integer number (19332053331).

Almost surely, 2^51552142214 is an apocalyptic number.

51552142214 is a deficient number, since it is larger than the sum of its proper divisors (25776071110).

51552142214 is a wasteful number, since it uses less digits than its factorization.

51552142214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25776071109.

The product of its digits is 16000, while the sum is 32.

Adding to 51552142214 its reverse (41224125515), we get a palindrome (92776267729).

The spelling of 51552142214 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-two thousand, two hundred fourteen".