49951836 has 96 divisors (see below), whose sum is σ = 148780800. Its totient is φ = 14333760.

The previous prime is 49951801. The next prime is 49951841. The reversal of 49951836 is 63815994.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49951791 and 49951800.

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, 21466 + ... + 23678.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^49951836 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 49951836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74390400).

49951836 is an abundant number, since it is smaller than the sum of its proper divisors (98828964).

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

49951836 is a wasteful number, since it uses less digits than its factorization.

49951836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2248 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 49951836 is about 7067.6612822064. The cubic root of 49951836 is about 368.2848200656.

The spelling of 49951836 in words is "forty-nine million, nine hundred fifty-one thousand, eight hundred thirty-six".