49553431236 has 135 divisors (see below), whose sum is σ = 132007933981. Its totient is φ = 16209278496.

The previous prime is 49553431201. The next prime is 49553431237. The reversal of 49553431236 is 63213435594.

The square root of 49553431236 is 222606.

It is a perfect power (a square), and thus also a powerful number.

49553431236 is a `hidden beast` number, since 4 + 95 + 534 + 3 + 1 + 23 + 6 = 666.

49553431236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5805525636 + 43747905600 = 76194^2 + 209160^2 .

It is a Duffinian number.

Its product of digits (1166400) is a multiple of the sum of its prime factors (480).

It is a junction number, because it is equal to n+sod(n) for n = 49553431191 and 49553431200.

It is not an unprimeable number, because it can be changed into a prime (49553431237) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 332573290 + ... + 332573438.

Almost surely, 2^49553431236 is an apocalyptic number.

49553431236 is the 222606-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49553431236

49553431236 is an abundant number, since it is smaller than the sum of its proper divisors (82454502745).

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

49553431236 is an equidigital number, since it uses as much as digits as its factorization.

49553431236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 237 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 49553431236 in words is "forty-nine billion, five hundred fifty-three million, four hundred thirty-one thousand, two hundred thirty-six".