49146949 has 4 divisors (see below), whose sum is σ = 52037964. Its totient is φ = 46255936.

The previous prime is 49146899. The next prime is 49146959. The reversal of 49146949 is 94964194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31024900 + 18122049 = 5570^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 49146949 - 2⁹ = 49146437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49146899 and 49146908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49146959) 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, 1445482 + ... + 1445515.

It is an arithmetic number, because the mean of its divisors is an integer number (13009491).

Almost surely, 2^49146949 is an apocalyptic number.

It is an amenable number.

49146949 is a deficient number, since it is larger than the sum of its proper divisors (2891015).

49146949 is a wasteful number, since it uses less digits than its factorization.

49146949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891014.

The product of its digits is 279936, while the sum is 46.

The square root of 49146949 is about 7010.4884993843. The cubic root of 49146949 is about 366.2960095491.

The spelling of 49146949 in words is "forty-nine million, one hundred forty-six thousand, nine hundred forty-nine".