50155636 has 6 divisors (see below), whose sum is σ = 87772370. Its totient is φ = 25077816.

The previous prime is 50155631. The next prime is 50155657. The reversal of 50155636 is 63655105.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 6990736 = 6570^2 + 2644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50155598 and 50155607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6269451 + ... + 6269458.

Almost surely, 2^50155636 is an apocalyptic number.

It is an amenable number.

50155636 is a deficient number, since it is larger than the sum of its proper divisors (37616734).

50155636 is a wasteful number, since it uses less digits than its factorization.

50155636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12538913 (or 12538911 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 50155636 is about 7082.0643882981. The cubic root of 50155636 is about 368.7849992252.

The spelling of 50155636 in words is "fifty million, one hundred fifty-five thousand, six hundred thirty-six".