49781952051 has 16 divisors (see below), whose sum is σ = 73787642880. Its totient is φ = 29646819360.

The previous prime is 49781952049. The next prime is 49781952053. The reversal of 49781952051 is 15025918794.

It is an interprime number because it is at equal distance from previous prime (49781952049) and next prime (49781952053).

It is not a de Polignac number, because 49781952051 - 2¹ = 49781952049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49781951985 and 49781952003.

It is not an unprimeable number, because it can be changed into a prime (49781952053) 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, 20586861 + ... + 20589278.

It is an arithmetic number, because the mean of its divisors is an integer number (4611727680).

Almost surely, 2^49781952051 is an apocalyptic number.

49781952051 is a deficient number, since it is larger than the sum of its proper divisors (24005690829).

49781952051 is a wasteful number, since it uses less digits than its factorization.

49781952051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41176186.

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 49781952051 in words is "forty-nine billion, seven hundred eighty-one million, nine hundred fifty-two thousand, fifty-one".