51941692563 has 16 divisors (see below), whose sum is σ = 71649580800. Its totient is φ = 33430995360.

The previous prime is 51941692507. The next prime is 51941692597. The reversal of 51941692563 is 36529614915.

It is not a de Polignac number, because 51941692563 - 2²² = 51937498259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51941692763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050968 + ... + 2076138.

It is an arithmetic number, because the mean of its divisors is an integer number (4478098800).

Almost surely, 2^51941692563 is an apocalyptic number.

51941692563 is a deficient number, since it is larger than the sum of its proper divisors (19707888237).

51941692563 is a wasteful number, since it uses less digits than its factorization.

51941692563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48922.

The product of its digits is 1749600, while the sum is 51.

The spelling of 51941692563 in words is "fifty-one billion, nine hundred forty-one million, six hundred ninety-two thousand, five hundred sixty-three".