49999772 has 12 divisors (see below), whose sum is σ = 87613176. Its totient is φ = 24967440.

The previous prime is 49999759. The next prime is 49999777. The reversal of 49999772 is 27799994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4463 + ... + 10950.

It is an arithmetic number, because the mean of its divisors is an integer number (7301098).

Almost surely, 2^49999772 is an apocalyptic number.

It is an amenable number.

49999772 is a deficient number, since it is larger than the sum of its proper divisors (37613404).

49999772 is a wasteful number, since it uses less digits than its factorization.

49999772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228 (or 16226 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 56.

The square root of 49999772 is about 7071.0516898125. The cubic root of 49999772 is about 368.4025898904.

The spelling of 49999772 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred seventy-two".