55684461 has 16 divisors (see below), whose sum is σ = 85119488. Its totient is φ = 31719600.

The previous prime is 55684457. The next prime is 55684471. The reversal of 55684461 is 16448655.

It is a happy number.

It is not a de Polignac number, because 55684461 - 2² = 55684457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55684471) 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, 2946 + ... + 10956.

It is an arithmetic number, because the mean of its divisors is an integer number (5319968).

Almost surely, 2^55684461 is an apocalyptic number.

It is an amenable number.

55684461 is a deficient number, since it is larger than the sum of its proper divisors (29435027).

55684461 is a wasteful number, since it uses less digits than its factorization.

55684461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352.

The product of its digits is 115200, while the sum is 39.

The square root of 55684461 is about 7462.2021548602. The cubic root of 55684461 is about 381.8663060193.

The spelling of 55684461 in words is "fifty-five million, six hundred eighty-four thousand, four hundred sixty-one".