49987437 has 4 divisors (see below), whose sum is σ = 66649920. Its totient is φ = 33324956.

The previous prime is 49987433. The next prime is 49987439. The reversal of 49987437 is 73478994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49987437 - 2² = 49987433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49987437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49987433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8331237 + ... + 8331242.

It is an arithmetic number, because the mean of its divisors is an integer number (16662480).

Almost surely, 2^49987437 is an apocalyptic number.

It is an amenable number.

49987437 is a deficient number, since it is larger than the sum of its proper divisors (16662483).

49987437 is a wasteful number, since it uses less digits than its factorization.

49987437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16662482.

The product of its digits is 1524096, while the sum is 51.

The square root of 49987437 is about 7070.1794178083. The cubic root of 49987437 is about 368.3722922877.

The spelling of 49987437 in words is "forty-nine million, nine hundred eighty-seven thousand, four hundred thirty-seven".