51304545601 has 4 divisors (see below), whose sum is σ = 51485834032. Its totient is φ = 51123257172.

The previous prime is 51304545583. The next prime is 51304545623. The reversal of 51304545601 is 10654540315.

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 51304545601 - 2²³ = 51296156993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51304545631) 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, 90643791 + ... + 90644356.

It is an arithmetic number, because the mean of its divisors is an integer number (12871458508).

Almost surely, 2^51304545601 is an apocalyptic number.

It is an amenable number.

51304545601 is a deficient number, since it is larger than the sum of its proper divisors (181288431).

51304545601 is a wasteful number, since it uses less digits than its factorization.

51304545601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181288430.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 51304545601 in words is "fifty-one billion, three hundred four million, five hundred forty-five thousand, six hundred one".