48686549 has 4 divisors (see below), whose sum is σ = 48707820. Its totient is φ = 48665280.

The previous prime is 48686537. The next prime is 48686567. The reversal of 48686549 is 94568684.

It is a happy number.

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 12602500 + 36084049 = 3550^2 + 6007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48686549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48686497 and 48686506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48686509) 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, 6722 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (12176955).

Almost surely, 2^48686549 is an apocalyptic number.

It is an amenable number.

48686549 is a deficient number, since it is larger than the sum of its proper divisors (21271).

48686549 is a wasteful number, since it uses less digits than its factorization.

48686549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21270.

The product of its digits is 1658880, while the sum is 50.

The square root of 48686549 is about 6977.5747219217. The cubic root of 48686549 is about 365.1486202799.

The spelling of 48686549 in words is "forty-eight million, six hundred eighty-six thousand, five hundred forty-nine".