49715864 has 32 divisors (see below), whose sum is σ = 104446800. Its totient is φ = 21985920.

The previous prime is 49715863. The next prime is 49715873. The reversal of 49715864 is 46851794.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49715863) 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, 4379 + ... + 10890.

Almost surely, 2^49715864 is an apocalyptic number.

49715864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49715864 is an abundant number, since it is smaller than the sum of its proper divisors (54730936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49715864 is a wasteful number, since it uses less digits than its factorization.

49715864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15323 (or 15319 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 49715864 is about 7050.9477377158. The cubic root of 49715864 is about 367.7039798083.

It can be divided in two parts, 497 and 15864, that added together give a palindrome (16361).

The spelling of 49715864 in words is "forty-nine million, seven hundred fifteen thousand, eight hundred sixty-four".