49215132 has 18 divisors (see below), whose sum is σ = 124405008. Its totient is φ = 16405032.

The previous prime is 49215109. The next prime is 49215137. The reversal of 49215132 is 23151294.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 49215096 and 49215105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49215137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683508 + ... + 683579.

Almost surely, 2^49215132 is an apocalyptic number.

It is an amenable number.

49215132 is an abundant number, since it is smaller than the sum of its proper divisors (75189876).

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

49215132 is a wasteful number, since it uses less digits than its factorization.

49215132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367097 (or 1367092 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 49215132 is about 7015.3497418162. The cubic root of 49215132 is about 366.4653223320.

The spelling of 49215132 in words is "forty-nine million, two hundred fifteen thousand, one hundred thirty-two".