55811363 has 8 divisors (see below), whose sum is σ = 58599168. Its totient is φ = 53053704.

The previous prime is 55811359. The next prime is 55811389. The reversal of 55811363 is 36311855.

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

It is a cyclic number.

It is not a de Polignac number, because 55811363 - 2² = 55811359 is a prime.

It is a super-2 number, since 2×55811363² = 6229816479835538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55811333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3695 + ... + 11192.

It is an arithmetic number, because the mean of its divisors is an integer number (7324896).

Almost surely, 2^55811363 is an apocalyptic number.

55811363 is a deficient number, since it is larger than the sum of its proper divisors (2787805).

55811363 is a wasteful number, since it uses less digits than its factorization.

55811363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15073.

The product of its digits is 10800, while the sum is 32.

The square root of 55811363 is about 7470.7003018459. The cubic root of 55811363 is about 382.1561704407.

The spelling of 55811363 in words is "fifty-five million, eight hundred eleven thousand, three hundred sixty-three".