55987214 has 8 divisors (see below), whose sum is σ = 84197880. Its totient is φ = 27921256.

The previous prime is 55987207. The next prime is 55987237. The reversal of 55987214 is 41278955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35204 + ... + 36759.

It is an arithmetic number, because the mean of its divisors is an integer number (10524735).

Almost surely, 2^55987214 is an apocalyptic number.

55987214 is a deficient number, since it is larger than the sum of its proper divisors (28210666).

55987214 is a wasteful number, since it uses less digits than its factorization.

55987214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72354.

The product of its digits is 100800, while the sum is 41.

The square root of 55987214 is about 7482.4604242188. The cubic root of 55987214 is about 382.5571167928.

The spelling of 55987214 in words is "fifty-five million, nine hundred eighty-seven thousand, two hundred fourteen".