51401633054534 has 16 divisors (see below), whose sum is σ = 88118809620768. Its totient is φ = 22028840212992.

The previous prime is 51401633054533. The next prime is 51401633054537. The reversal of 51401633054534 is 43545033610415.

It is a happy number.

It is a super-2 number, since 2×51401633054534² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401633054531) 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, 35183189 + ... + 36615024.

It is an arithmetic number, because the mean of its divisors is an integer number (5507425601298).

Almost surely, 2^{51401633054534} is an apocalyptic number.

51401633054534 is a deficient number, since it is larger than the sum of its proper divisors (36717176566234).

51401633054534 is a wasteful number, since it uses less digits than its factorization.

51401633054534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71849359.

The product of its (nonzero) digits is 1296000, while the sum is 44.

Adding to 51401633054534 its reverse (43545033610415), we get a palindrome (94946666664949).

The spelling of 51401633054534 in words is "fifty-one trillion, four hundred one billion, six hundred thirty-three million, fifty-four thousand, five hundred thirty-four".