49915636 has 6 divisors (see below), whose sum is σ = 87352370. Its totient is φ = 24957816.

The previous prime is 49915609. The next prime is 49915639. The reversal of 49915636 is 63651994.

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 13987600 = 5994^2 + 3740^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49915592 and 49915601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49915639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239451 + ... + 6239458.

Almost surely, 2^49915636 is an apocalyptic number.

It is an amenable number.

49915636 is a deficient number, since it is larger than the sum of its proper divisors (37436734).

49915636 is a wasteful number, since it uses less digits than its factorization.

49915636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478913 (or 12478911 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 49915636 is about 7065.0998577515. The cubic root of 49915636 is about 368.1958334644.

The spelling of 49915636 in words is "forty-nine million, nine hundred fifteen thousand, six hundred thirty-six".