51024400220522 has 16 divisors (see below), whose sum is σ = 76843308225600. Its totient is φ = 25410165994752.

The previous prime is 51024400220461. The next prime is 51024400220527. The reversal of 51024400220522 is 22502200442015.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51024400220527) 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, 49956278 + ... + 50967425.

It is an arithmetic number, because the mean of its divisors is an integer number (4802706764100).

Almost surely, 2^{51024400220522} is an apocalyptic number.

51024400220522 is a deficient number, since it is larger than the sum of its proper divisors (25818908005078).

51024400220522 is a wasteful number, since it uses less digits than its factorization.

51024400220522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100924717.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 51024400220522 its reverse (22502200442015), we get a palindrome (73526600662537).

The spelling of 51024400220522 in words is "fifty-one trillion, twenty-four billion, four hundred million, two hundred twenty thousand, five hundred twenty-two".