49564739 has 8 divisors (see below), whose sum is σ = 56732928. Its totient is φ = 42418440.

The previous prime is 49564703. The next prime is 49564771. The reversal of 49564739 is 93746594.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49564739 - 2²⁴ = 32787523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49564693 and 49564702.

It is not an unprimeable number, because it can be changed into a prime (49564789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 9960.

It is an arithmetic number, because the mean of its divisors is an integer number (7091616).

Almost surely, 2^49564739 is an apocalyptic number.

49564739 is a deficient number, since it is larger than the sum of its proper divisors (7168189).

49564739 is a wasteful number, since it uses less digits than its factorization.

49564739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10945.

The product of its digits is 816480, while the sum is 47.

The square root of 49564739 is about 7040.2229368110. Note that the first 3 decimals coincide. The cubic root of 49564739 is about 367.3310226289.

The spelling of 49564739 in words is "forty-nine million, five hundred sixty-four thousand, seven hundred thirty-nine".