49671897 has 8 divisors (see below), whose sum is σ = 72250080. Its totient is φ = 30104160.

The previous prime is 49671887. The next prime is 49671899. The reversal of 49671897 is 79817694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49671897 - 2²⁰ = 48623321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49671899) 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, 752572 + ... + 752637.

It is an arithmetic number, because the mean of its divisors is an integer number (9031260).

Almost surely, 2^49671897 is an apocalyptic number.

It is an amenable number.

49671897 is a deficient number, since it is larger than the sum of its proper divisors (22578183).

49671897 is a wasteful number, since it uses less digits than its factorization.

49671897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505223.

The product of its digits is 762048, while the sum is 51.

The square root of 49671897 is about 7047.8292402697. The cubic root of 49671897 is about 367.5955529218.

The spelling of 49671897 in words is "forty-nine million, six hundred seventy-one thousand, eight hundred ninety-seven".