49999956 has 24 divisors (see below), whose sum is σ = 118409760.
Its totient is φ = 16417632.
The previous prime is 49999921. The next prime is 49999991. The reversal of 49999956 is 65999994.
It is an interprime number because it is at equal distance from previous prime (49999921) and next prime (49999991).
It is a self number, because there is not a number n which added to its sum of digits gives 49999956.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30291 + ... + 31898.
It is an arithmetic number, because the mean of its divisors is an integer number (4933740).
Almost surely, 249999956 is an apocalyptic number.
It is an amenable number.
49999956 is an abundant number, since it is smaller than the sum of its proper divisors (68409804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49999956 is a wasteful number, since it uses less digits than its factorization.
49999956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62263 (or 62261 counting only the distinct ones).
The product of its digits is 7085880, while the sum is 60.
The square root of 49999956 is about 7071.0647005950.
The cubic root of 49999956 is about 368.4030417991.
The spelling of 49999956 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred fifty-six".