50406515544 has 128 divisors (see below), whose sum is σ = 157174617600. Its totient is φ = 13087319040.

The previous prime is 50406515501. The next prime is 50406515587. The reversal of 50406515544 is 44551560405.

It is an interprime number because it is at equal distance from previous prime (50406515501) and next prime (50406515587).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6961494 + ... + 6968730.

It is an arithmetic number, because the mean of its divisors is an integer number (1227926700).

Almost surely, 2^50406515544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50406515544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78587308800).

50406515544 is an abundant number, since it is smaller than the sum of its proper divisors (106768102056).

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

50406515544 is a wasteful number, since it uses less digits than its factorization.

50406515544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033 (or 11029 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 50406515544 in words is "fifty billion, four hundred six million, five hundred fifteen thousand, five hundred forty-four".