55684797 has 16 divisors (see below), whose sum is σ = 85092480. Its totient is φ = 31730112.

The previous prime is 55684793. The next prime is 55684807. The reversal of 55684797 is 79748655.

It is not a de Polignac number, because 55684797 - 2² = 55684793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55684793) 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, 4279 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (5318280).

Almost surely, 2^55684797 is an apocalyptic number.

It is an amenable number.

55684797 is a deficient number, since it is larger than the sum of its proper divisors (29407683).

55684797 is a wasteful number, since it uses less digits than its factorization.

55684797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492.

The product of its digits is 2116800, while the sum is 51.

The square root of 55684797 is about 7462.2246682876. The cubic root of 55684797 is about 381.8670740781.

The spelling of 55684797 in words is "fifty-five million, six hundred eighty-four thousand, seven hundred ninety-seven".