49571808 has 192 divisors, whose sum is σ = 160538112. Its totient is φ = 13178880.

The previous prime is 49571777. The next prime is 49571839. The reversal of 49571808 is 80817594.

It is an interprime number because it is at equal distance from previous prime (49571777) and next prime (49571839).

It is a self number, because there is not a number n which added to its sum of digits gives 49571808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315666 + ... + 315822.

It is an arithmetic number, because the mean of its divisors is an integer number (836136).

Almost surely, 2^49571808 is an apocalyptic number.

49571808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49571808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80269056).

49571808 is an abundant number, since it is smaller than the sum of its proper divisors (110966304).

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

49571808 is a wasteful number, since it uses less digits than its factorization.

49571808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 49571808 is about 7040.7249626725. The cubic root of 49571808 is about 367.3484849056.

The spelling of 49571808 in words is "forty-nine million, five hundred seventy-one thousand, eight hundred eight".