49996149 has 32 divisors (see below), whose sum is σ = 79994880. Its totient is φ = 27172800.

The previous prime is 49996123. The next prime is 49996157. The reversal of 49996149 is 94169994.

It is not a de Polignac number, because 49996149 - 2⁵ = 49996117 is a prime.

It is a super-2 number, since 2×49996149² = 4999229829660402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49996159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39082 + ... + 40340.

It is an arithmetic number, because the mean of its divisors is an integer number (2499840).

Almost surely, 2^49996149 is an apocalyptic number.

It is an amenable number.

49996149 is a deficient number, since it is larger than the sum of its proper divisors (29998731).

49996149 is a wasteful number, since it uses less digits than its factorization.

49996149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its digits is 629856, while the sum is 51.

The square root of 49996149 is about 7070.7954998006. The cubic root of 49996149 is about 368.3936914843.

The spelling of 49996149 in words is "forty-nine million, nine hundred ninety-six thousand, one hundred forty-nine".