50901509646 has 32 divisors (see below), whose sum is σ = 121815580320. Its totient is φ = 15662002752.

The previous prime is 50901509557. The next prime is 50901509657. The reversal of 50901509646 is 64690510905.

It is a happy number.

50901509646 is a `hidden beast` number, since 50 + 90 + 1 + 509 + 6 + 4 + 6 = 666.

It is a congruent number.

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, 36253935 + ... + 36255338.

It is an arithmetic number, because the mean of its divisors is an integer number (3806736885).

Almost surely, 2^50901509646 is an apocalyptic number.

50901509646 is an abundant number, since it is smaller than the sum of its proper divisors (70914070674).

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

50901509646 is a wasteful number, since it uses less digits than its factorization.

50901509646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72509297 (or 72509291 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 50901509646 in words is "fifty billion, nine hundred one million, five hundred nine thousand, six hundred forty-six".