49575438 has 48 divisors (see below), whose sum is σ = 117801216. Its totient is φ = 14943120.

The previous prime is 49575433. The next prime is 49575457. The reversal of 49575438 is 83457594.

49575438 is a `hidden beast` number, since 49 + 575 + 4 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 49575393 and 49575402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49575433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44395 + ... + 45497.

It is an arithmetic number, because the mean of its divisors is an integer number (2454192).

Almost surely, 2^49575438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49575438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58900608).

49575438 is an abundant number, since it is smaller than the sum of its proper divisors (68225778).

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

49575438 is a wasteful number, since it uses less digits than its factorization.

49575438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1346 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 49575438 is about 7040.9827439073. The cubic root of 49575438 is about 367.3574513088.

The spelling of 49575438 in words is "forty-nine million, five hundred seventy-five thousand, four hundred thirty-eight".