51053521207 has 8 divisors (see below), whose sum is σ = 55298525184. Its totient is φ = 46853918688.

The previous prime is 51053521177. The next prime is 51053521237. The reversal of 51053521207 is 70212535015.

It is an interprime number because it is at equal distance from previous prime (51053521177) and next prime (51053521237).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51053521207 - 2¹¹ = 51053519159 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 (51053521237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11348023 + ... + 11352520.

It is an arithmetic number, because the mean of its divisors is an integer number (6912315648).

Almost surely, 2^51053521207 is an apocalyptic number.

51053521207 is a deficient number, since it is larger than the sum of its proper divisors (4245003977).

51053521207 is a wasteful number, since it uses less digits than its factorization.

51053521207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22700729.

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 51053521207 in words is "fifty-one billion, fifty-three million, five hundred twenty-one thousand, two hundred seven".