51628102573 has 4 divisors (see below), whose sum is σ = 51628796128. Its totient is φ = 51627409020.

The previous prime is 51628102567. The next prime is 51628102619. The reversal of 51628102573 is 37520182615.

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 51628102573 - 2⁹ = 51628102061 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 (51628102873) 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, 219561 + ... + 389182.

It is an arithmetic number, because the mean of its divisors is an integer number (12907199032).

Almost surely, 2^51628102573 is an apocalyptic number.

It is an amenable number.

51628102573 is a deficient number, since it is larger than the sum of its proper divisors (693555).

51628102573 is an equidigital number, since it uses as much as digits as its factorization.

51628102573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693554.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 51628102573 in words is "fifty-one billion, six hundred twenty-eight million, one hundred two thousand, five hundred seventy-three".