50167840721477 has 16 divisors (see below), whose sum is σ = 50745989172912. Its totient is φ = 49593366650880.

The previous prime is 50167840721447. The next prime is 50167840721591. The reversal of 50167840721477 is 77412704876105.

It is a Cunningham number, because it is equal to 7082926²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 14704970106436 + 35462870615041 = 3834706^2 + 5955071^2 .

It is a cyclic number.

It is not a de Polignac number, because 50167840721477 - 2³⁸ = 49892962814533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50167840721447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38443853 + ... + 39727389.

It is an arithmetic number, because the mean of its divisors is an integer number (3171624323307).

Almost surely, 2^{50167840721477} is an apocalyptic number.

It is an amenable number.

50167840721477 is a deficient number, since it is larger than the sum of its proper divisors (578148451435).

50167840721477 is a wasteful number, since it uses less digits than its factorization.

50167840721477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284968.

The product of its (nonzero) digits is 18439680, while the sum is 59.

The spelling of 50167840721477 in words is "fifty trillion, one hundred sixty-seven billion, eight hundred forty million, seven hundred twenty-one thousand, four hundred seventy-seven".