49006687 has 4 divisors (see below), whose sum is σ = 49220920. Its totient is φ = 48792456.

The previous prime is 49006673. The next prime is 49006709. The reversal of 49006687 is 78660094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78660094 = 2 ⋅39330047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49006687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49006387) 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, 106773 + ... + 107230.

It is an arithmetic number, because the mean of its divisors is an integer number (12305230).

Almost surely, 2^49006687 is an apocalyptic number.

49006687 is a deficient number, since it is larger than the sum of its proper divisors (214233).

49006687 is a wasteful number, since it uses less digits than its factorization.

49006687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214232.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 49006687 is about 7000.4776265623. The cubic root of 49006687 is about 365.9472163521.

The spelling of 49006687 in words is "forty-nine million, six thousand, six hundred eighty-seven".