51736402061542 has 64 divisors (see below), whose sum is σ = 90973636427520. Its totient is φ = 21806245094400.

The previous prime is 51736402061537. The next prime is 51736402061551. The reversal of 51736402061542 is 24516020463715.

It is a junction number, because it is equal to n+sod(n) for n = 51736402061492 and 51736402061501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3011698 + ... + 10608634.

It is an arithmetic number, because the mean of its divisors is an integer number (1421463069180).

Almost surely, 2^{51736402061542} is an apocalyptic number.

51736402061542 is a deficient number, since it is larger than the sum of its proper divisors (39237234365978).

51736402061542 is a wasteful number, since it uses less digits than its factorization.

51736402061542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597237.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 51736402061542 in words is "fifty-one trillion, seven hundred thirty-six billion, four hundred two million, sixty-one thousand, five hundred forty-two".