51552352354 has 4 divisors (see below), whose sum is σ = 77328528534. Its totient is φ = 25776176176.

The previous prime is 51552352351. The next prime is 51552352381. The reversal of 51552352354 is 45325325515.

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

It can be written as a sum of positive squares in only one way, i.e., 38653526025 + 12898826329 = 196605^2 + 113573^2 .

It is not an unprimeable number, because it can be changed into a prime (51552352351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12888088087 + ... + 12888088090.

Almost surely, 2^51552352354 is an apocalyptic number.

51552352354 is a deficient number, since it is larger than the sum of its proper divisors (25776176180).

51552352354 is a wasteful number, since it uses less digits than its factorization.

51552352354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25776176179.

The product of its digits is 450000, while the sum is 40.

Adding to 51552352354 its reverse (45325325515), we get a palindrome (96877677869).

The spelling of 51552352354 in words is "fifty-one billion, five hundred fifty-two million, three hundred fifty-two thousand, three hundred fifty-four".