49406521 has 8 divisors (see below), whose sum is σ = 50268800. Its totient is φ = 48550320.

The previous prime is 49406453. The next prime is 49406531. The reversal of 49406521 is 12560494.

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 49406521 - 2⁹ = 49406009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49406531) 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, 16726 + ... + 19456.

It is an arithmetic number, because the mean of its divisors is an integer number (6283600).

Almost surely, 2^49406521 is an apocalyptic number.

It is an amenable number.

49406521 is a deficient number, since it is larger than the sum of its proper divisors (862279).

49406521 is a wasteful number, since it uses less digits than its factorization.

49406521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 49406521 is about 7028.9772371235. The cubic root of 49406521 is about 366.9397476240.

The spelling of 49406521 in words is "forty-nine million, four hundred six thousand, five hundred twenty-one".