50148987 has 16 divisors (see below), whose sum is σ = 76979712. Its totient is φ = 28445760.

The previous prime is 50148983. The next prime is 50148991. The reversal of 50148987 is 78984105.

It is an interprime number because it is at equal distance from previous prime (50148983) and next prime (50148991).

It is not a de Polignac number, because 50148987 - 2² = 50148983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50148983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5839 + ... + 11592.

It is an arithmetic number, because the mean of its divisors is an integer number (4811232).

Almost surely, 2^50148987 is an apocalyptic number.

50148987 is a deficient number, since it is larger than the sum of its proper divisors (26830725).

50148987 is a wasteful number, since it uses less digits than its factorization.

50148987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17578.

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

The square root of 50148987 is about 7081.5949474677. The cubic root of 50148987 is about 368.7687022210.

The spelling of 50148987 in words is "fifty million, one hundred forty-eight thousand, nine hundred eighty-seven".