55366394 has 12 divisors (see below), whose sum is σ = 86014734. Its totient is φ = 26727792.

The previous prime is 55366391. The next prime is 55366429. The reversal of 55366394 is 49366355.

It can be written as a sum of positive squares in 3 ways, for example, as 48930025 + 6436369 = 6995^2 + 2537^2 .

It is not an unprimeable number, because it can be changed into a prime (55366391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14777 + ... + 18140.

Almost surely, 2^55366394 is an apocalyptic number.

55366394 is a deficient number, since it is larger than the sum of its proper divisors (30648340).

55366394 is a wasteful number, since it uses less digits than its factorization.

55366394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32977 (or 32948 counting only the distinct ones).

The product of its digits is 291600, while the sum is 41.

The square root of 55366394 is about 7440.8597621511. The cubic root of 55366394 is about 381.1378498757.

The spelling of 55366394 in words is "fifty-five million, three hundred sixty-six thousand, three hundred ninety-four".