49187508 has 12 divisors (see below), whose sum is σ = 114770880. Its totient is φ = 16395832.

The previous prime is 49187507. The next prime is 49187527. The reversal of 49187508 is 80578194.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 49187508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49187507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049468 + ... + 2049491.

It is an arithmetic number, because the mean of its divisors is an integer number (9564240).

Almost surely, 2^49187508 is an apocalyptic number.

It is an amenable number.

49187508 is an abundant number, since it is smaller than the sum of its proper divisors (65583372).

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

49187508 is a wasteful number, since it uses less digits than its factorization.

49187508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098966 (or 4098964 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 49187508 is about 7013.3806398912. The cubic root of 49187508 is about 366.3967449639.

The spelling of 49187508 in words is "forty-nine million, one hundred eighty-seven thousand, five hundred eight".