49957161840936 has 384 divisors, whose sum is σ = 162797072256000. Its totient is φ = 14056345746432.

The previous prime is 49957161840913. The next prime is 49957161840997. The reversal of 49957161840936 is 63904816175994.

It is a happy number.

49957161840936 is a `hidden beast` number, since 4 + 9 + 9 + 57 + 161 + 8 + 409 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4566880155 + ... + 4566891093.

It is an arithmetic number, because the mean of its divisors is an integer number (423950709000).

Almost surely, 2^{49957161840936} 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 49957161840936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81398536128000).

49957161840936 is an abundant number, since it is smaller than the sum of its proper divisors (112839910415064).

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

49957161840936 is a wasteful number, since it uses less digits than its factorization.

49957161840936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16043 (or 16027 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 72.

The spelling of 49957161840936 in words is "forty-nine trillion, nine hundred fifty-seven billion, one hundred sixty-one million, eight hundred forty thousand, nine hundred thirty-six".