55551363 has 16 divisors (see below), whose sum is σ = 84800256. Its totient is φ = 31687200.

The previous prime is 55551361. The next prime is 55551389. The reversal of 55551363 is 36315555.

It is not a de Polignac number, because 55551363 - 2¹ = 55551361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55551361) 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, 11688 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (5300016).

Almost surely, 2^55551363 is an apocalyptic number.

55551363 is a deficient number, since it is larger than the sum of its proper divisors (29248893).

55551363 is a wasteful number, since it uses less digits than its factorization.

55551363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714.

The product of its digits is 33750, while the sum is 33.

The square root of 55551363 is about 7453.2786745163. The cubic root of 55551363 is about 381.5618153869.

The spelling of 55551363 in words is "fifty-five million, five hundred fifty-one thousand, three hundred sixty-three".