49705992 has 144 divisors (see below), whose sum is σ = 159566940. Its totient is φ = 13934592.

The previous prime is 49705991. The next prime is 49705993. The reversal of 49705992 is 29950794.

It is an interprime number because it is at equal distance from previous prime (49705991) and next prime (49705993).

It can be written as a sum of positive squares in 2 ways, for example, as 49196196 + 509796 = 7014^2 + 714^2 .

It is not an unprimeable number, because it can be changed into a prime (49705991) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 257448 + ... + 257640.

Almost surely, 2^49705992 is an apocalyptic number.

49705992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49705992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79783470).

49705992 is an abundant number, since it is smaller than the sum of its proper divisors (109860948).

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

49705992 is a wasteful number, since it uses less digits than its factorization.

49705992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 49705992 is about 7050.2476552246. The cubic root of 49705992 is about 367.6796400658.

The spelling of 49705992 in words is "forty-nine million, seven hundred five thousand, nine hundred ninety-two".