49543146 has 48 divisors (see below), whose sum is σ = 116663040. Its totient is φ = 15137280.

The previous prime is 49543141. The next prime is 49543147. The reversal of 49543146 is 64134594.

It is a self number, because there is not a number n which added to its sum of digits gives 49543146.

It is not an unprimeable number, because it can be changed into a prime (49543141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8266 + ... + 12938.

It is an arithmetic number, because the mean of its divisors is an integer number (2430480).

Almost surely, 2^49543146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49543146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58331520).

49543146 is an abundant number, since it is smaller than the sum of its proper divisors (67119894).

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

49543146 is a wasteful number, since it uses less digits than its factorization.

49543146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731 (or 4728 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 49543146 is about 7038.6892245645. The cubic root of 49543146 is about 367.2776719940.

It can be divided in two parts, 4954 and 3146, that added together give a square (8100 = 90²).

The spelling of 49543146 in words is "forty-nine million, five hundred forty-three thousand, one hundred forty-six".