51601553544514 has 4 divisors (see below), whose sum is σ = 77402330316774. Its totient is φ = 25800776772256.

The previous prime is 51601553544481. The next prime is 51601553544539. The reversal of 51601553544514 is 41544535510615.

51601553544514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 29485084620289 + 22116468924225 = 5430017^2 + 4702815^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900388386127 + ... + 12900388386130.

Almost surely, 2^{51601553544514} is an apocalyptic number.

51601553544514 is a deficient number, since it is larger than the sum of its proper divisors (25800776772260).

51601553544514 is a wasteful number, since it uses less digits than its factorization.

51601553544514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25800776772259.

The product of its (nonzero) digits is 3600000, while the sum is 49.

The spelling of 51601553544514 in words is "fifty-one trillion, six hundred one billion, five hundred fifty-three million, five hundred forty-four thousand, five hundred fourteen".