51554442352354 has 8 divisors (see below), whose sum is σ = 77347481023980. Its totient is φ = 25771948677696.

The previous prime is 51554442352351. The next prime is 51554442352393. The reversal of 51554442352354 is 45325324445515.

It can be written as a sum of positive squares in 2 ways, for example, as 48996122076729 + 2558320275625 = 6999723^2 + 1599475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51554442352351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636237019 + ... + 2636256574.

Almost surely, 2^{51554442352354} is an apocalyptic number.

51554442352354 is a deficient number, since it is larger than the sum of its proper divisors (25793038671626).

51554442352354 is a wasteful number, since it uses less digits than its factorization.

51554442352354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272498484.

The product of its digits is 28800000, while the sum is 52.

Adding to 51554442352354 its reverse (45325324445515), we get a palindrome (96879766797869).

The spelling of 51554442352354 in words is "fifty-one trillion, five hundred fifty-four billion, four hundred forty-two million, three hundred fifty-two thousand, three hundred fifty-four".