55563694 has 8 divisors (see below), whose sum is σ = 83391048. Its totient is φ = 27766680.

The previous prime is 55563691. The next prime is 55563719. The reversal of 55563694 is 49636555.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55563694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55563691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (10423881).

Almost surely, 2^55563694 is an apocalyptic number.

55563694 is a deficient number, since it is larger than the sum of its proper divisors (27827354).

55563694 is a wasteful number, since it uses less digits than its factorization.

55563694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170.

The product of its digits is 486000, while the sum is 43.

The square root of 55563694 is about 7454.1058484569. The cubic root of 55563694 is about 381.5900456612.

The spelling of 55563694 in words is "fifty-five million, five hundred sixty-three thousand, six hundred ninety-four".