55937587 has 4 divisors (see below), whose sum is σ = 58369680. Its totient is φ = 53505496.

The previous prime is 55937579. The next prime is 55937591. The reversal of 55937587 is 78573955.

55937587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55937587 - 2³ = 55937579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55937587.

It is not an unprimeable number, because it can be changed into a prime (55934587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216012 + ... + 1216057.

It is an arithmetic number, because the mean of its divisors is an integer number (14592420).

Almost surely, 2^55937587 is an apocalyptic number.

55937587 is a deficient number, since it is larger than the sum of its proper divisors (2432093).

55937587 is a wasteful number, since it uses less digits than its factorization.

55937587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432092.

The product of its digits is 1323000, while the sum is 49.

The square root of 55937587 is about 7479.1434670021. The cubic root of 55937587 is about 382.4440506543. Note that the first 3 decimals are identical.

The spelling of 55937587 in words is "fifty-five million, nine hundred thirty-seven thousand, five hundred eighty-seven".