49151536 has 20 divisors (see below), whose sum is σ = 108835792. Its totient is φ = 21064896.

The previous prime is 49151533. The next prime is 49151561. The reversal of 49151536 is 63515194.

It is not an unprimeable number, because it can be changed into a prime (49151533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219315 + ... + 219538.

Almost surely, 2^49151536 is an apocalyptic number.

It is an amenable number.

49151536 is an abundant number, since it is smaller than the sum of its proper divisors (59684256).

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

49151536 is a wasteful number, since it uses less digits than its factorization.

49151536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438868 (or 438862 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 49151536 is about 7010.8156444168. The cubic root of 49151536 is about 366.3074049498.

The spelling of 49151536 in words is "forty-nine million, one hundred fifty-one thousand, five hundred thirty-six".