50297552640 has 180 divisors, whose sum is σ = 179974212264. Its totient is φ = 13412653056.

The previous prime is 50297552621. The next prime is 50297552651. The reversal of 50297552640 is 4625579205.

50297552640 is a `hidden beast` number, since 5 + 0 + 2 + 97 + 552 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138882 + ... + 346241.

Almost surely, 2^50297552640 is an apocalyptic number.

It is an amenable number.

50297552640 is an abundant number, since it is smaller than the sum of its proper divisors (129676659624).

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

50297552640 is an equidigital number, since it uses as much as digits as its factorization.

50297552640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485156 (or 485133 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 50297552640 in words is "fifty billion, two hundred ninety-seven million, five hundred fifty-two thousand, six hundred forty".