49677021 has 12 divisors (see below), whose sum is σ = 72198048. Its totient is φ = 32913864.

The previous prime is 49676917. The next prime is 49677049. The reversal of 49677021 is 12077694.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-49677021 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49677521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15465 + ... + 18398.

It is an arithmetic number, because the mean of its divisors is an integer number (6016504).

Almost surely, 2^49677021 is an apocalyptic number.

It is an amenable number.

49677021 is a deficient number, since it is larger than the sum of its proper divisors (22521027).

49677021 is a wasteful number, since it uses less digits than its factorization.

49677021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34032 (or 34029 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 49677021 is about 7048.1927470806. The cubic root of 49677021 is about 367.6081924958.

The spelling of 49677021 in words is "forty-nine million, six hundred seventy-seven thousand, twenty-one".