51365473052 has 12 divisors (see below), whose sum is σ = 89896560936. Its totient is φ = 25680741360.

The previous prime is 51365473037. The next prime is 51365473067. The reversal of 51365473052 is 25037456315.

It is an interprime number because it is at equal distance from previous prime (51365473037) and next prime (51365473067).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440099 + ... + 544442.

It is an arithmetic number, because the mean of its divisors is an integer number (7491380078).

Almost surely, 2^51365473052 is an apocalyptic number.

It is an amenable number.

51365473052 is a deficient number, since it is larger than the sum of its proper divisors (38531087884).

51365473052 is a wasteful number, since it uses less digits than its factorization.

51365473052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997588 (or 997586 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 51365473052 in words is "fifty-one billion, three hundred sixty-five million, four hundred seventy-three thousand, fifty-two".