51461053457 has 16 divisors (see below), whose sum is σ = 57361561344. Its totient is φ = 45765216000.

The previous prime is 51461053451. The next prime is 51461053477. The reversal of 51461053457 is 75435016415.

It is a happy number.

It is not a de Polignac number, because 51461053457 - 2⁶ = 51461053393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51461053451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094207 + ... + 1140267.

It is an arithmetic number, because the mean of its divisors is an integer number (3585097584).

Almost surely, 2^51461053457 is an apocalyptic number.

It is an amenable number.

51461053457 is a deficient number, since it is larger than the sum of its proper divisors (5900507887).

51461053457 is a wasteful number, since it uses less digits than its factorization.

51461053457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48280.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 51461053457 in words is "fifty-one billion, four hundred sixty-one million, fifty-three thousand, four hundred fifty-seven".