49218653 has 8 divisors (see below), whose sum is σ = 54215616. Its totient is φ = 44308800.

The previous prime is 49218647. The next prime is 49218709. The reversal of 49218653 is 35681294.

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 49218653 - 2¹⁰ = 49217629 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 (49218853) 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, 20588 + ... + 22853.

It is an arithmetic number, because the mean of its divisors is an integer number (6776952).

Almost surely, 2^49218653 is an apocalyptic number.

It is an amenable number.

49218653 is a deficient number, since it is larger than the sum of its proper divisors (4996963).

49218653 is a wasteful number, since it uses less digits than its factorization.

49218653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43555.

The product of its digits is 51840, while the sum is 38.

The square root of 49218653 is about 7015.6006870403. The cubic root of 49218653 is about 366.4740614710.

The spelling of 49218653 in words is "forty-nine million, two hundred eighteen thousand, six hundred fifty-three".