50440403455 has 16 divisors (see below), whose sum is σ = 65782553760. Its totient is φ = 36906565248.

The previous prime is 50440403449. The next prime is 50440403479. The reversal of 50440403455 is 55430404405.

It is a cyclic number.

It is not a de Polignac number, because 50440403455 - 2²³ = 50432014847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50440403455.

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, 3552577 + ... + 3566746.

It is an arithmetic number, because the mean of its divisors is an integer number (4111409610).

Almost surely, 2^50440403455 is an apocalyptic number.

50440403455 is a deficient number, since it is larger than the sum of its proper divisors (15342150305).

50440403455 is a wasteful number, since it uses less digits than its factorization.

50440403455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119450.

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 50440403455 in words is "fifty billion, four hundred forty million, four hundred three thousand, four hundred fifty-five".