49129536 has 56 divisors (see below), whose sum is σ = 132222240. Its totient is φ = 16095232.

The previous prime is 49129529. The next prime is 49129601. The reversal of 49129536 is 63592194.

It is a super-2 number, since 2×49129536² = 4827422615150592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49129494 and 49129503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9160 + ... + 13496.

Almost surely, 2^49129536 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 49129536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66111120).

49129536 is an abundant number, since it is smaller than the sum of its proper divisors (83092704).

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

49129536 is a wasteful number, since it uses less digits than its factorization.

49129536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411 (or 4401 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 49129536 is about 7009.2464644925. The cubic root of 49129536 is about 366.2527442941.

The spelling of 49129536 in words is "forty-nine million, one hundred twenty-nine thousand, five hundred thirty-six".