49889136 has 80 divisors (see below), whose sum is σ = 148026240. Its totient is φ = 14319360.

The previous prime is 49889131. The next prime is 49889141. The reversal of 49889136 is 63198894.

It is an interprime number because it is at equal distance from previous prime (49889131) and next prime (49889141).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49889131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7546 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (1850328).

Almost surely, 2^49889136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49889136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74013120).

49889136 is an abundant number, since it is smaller than the sum of its proper divisors (98137104).

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

49889136 is a wasteful number, since it uses less digits than its factorization.

49889136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014 (or 5008 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 49889136 is about 7063.2241929589. The cubic root of 49889136 is about 368.1306640602.

The spelling of 49889136 in words is "forty-nine million, eight hundred eighty-nine thousand, one hundred thirty-six".