49287996 has 36 divisors (see below), whose sum is σ = 127959832. Its totient is φ = 15984864.

The previous prime is 49287991. The next prime is 49288003. The reversal of 49287996 is 69978294.

Added to its reverse (69978294) it gives a triangular number (119266290 = T₁₅₄₄₄).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49287991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17170 + ... + 19833.

Almost surely, 2^49287996 is an apocalyptic number.

It is an amenable number.

49287996 is an abundant number, since it is smaller than the sum of its proper divisors (78671836).

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

49287996 is a wasteful number, since it uses less digits than its factorization.

49287996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37050 (or 37045 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 49287996 is about 7020.5410047944. The cubic root of 49287996 is about 366.6460862645.

Adding to 49287996 its reverse (69978294), we get a triangular number (119266290 = T₁₅₄₄₄).

It can be divided in two parts, 492 and 87996, that added together give a palindrome (88488).

The spelling of 49287996 in words is "forty-nine million, two hundred eighty-seven thousand, nine hundred ninety-six".