51203675946 has 32 divisors (see below), whose sum is σ = 109080639360. Its totient is φ = 15967702016.

The previous prime is 51203675879. The next prime is 51203675981. The reversal of 51203675946 is 64957630215.

It is a junction number, because it is equal to n+sod(n) for n = 51203675895 and 51203675904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485951 + ... + 1520018.

It is an arithmetic number, because the mean of its divisors is an integer number (3408769980).

Almost surely, 2^51203675946 is an apocalyptic number.

51203675946 is an abundant number, since it is smaller than the sum of its proper divisors (57876963414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51203675946 is a wasteful number, since it uses less digits than its factorization.

51203675946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006158.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 51203675946 in words is "fifty-one billion, two hundred three million, six hundred seventy-five thousand, nine hundred forty-six".