51254324355461 has 4 divisors (see below), whose sum is σ = 51254454804000. Its totient is φ = 51254193906924.

The previous prime is 51254324355373. The next prime is 51254324355469. The reversal of 51254324355461 is 16455342345215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51254324355461 - 2³⁴ = 51237144486277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51254324355469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64633121 + ... + 65421318.

It is an arithmetic number, because the mean of its divisors is an integer number (12813613701000).

Almost surely, 2^{51254324355461} is an apocalyptic number.

It is an amenable number.

51254324355461 is a deficient number, since it is larger than the sum of its proper divisors (130448539).

51254324355461 is a wasteful number, since it uses less digits than its factorization.

51254324355461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130448538.

The product of its digits is 8640000, while the sum is 50.

The spelling of 51254324355461 in words is "fifty-one trillion, two hundred fifty-four billion, three hundred twenty-four million, three hundred fifty-five thousand, four hundred sixty-one".