55544455 has 8 divisors (see below), whose sum is σ = 67402800. Its totient is φ = 43935936.

The previous prime is 55544413. The next prime is 55544473. The reversal of 55544455 is 55444555.

55544455 = 3331² + 3332² + ... + 3335².

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 55544455 - 2⁷ = 55544327 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61965 + ... + 62854.

It is an arithmetic number, because the mean of its divisors is an integer number (8425350).

Almost surely, 2^55544455 is an apocalyptic number.

55544455 is a deficient number, since it is larger than the sum of its proper divisors (11858345).

55544455 is a wasteful number, since it uses less digits than its factorization.

55544455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124913.

The product of its digits is 200000, while the sum is 37.

The square root of 55544455 is about 7452.8152398943. The cubic root of 55544455 is about 381.5459985635.

The spelling of 55544455 in words is "fifty-five million, five hundred forty-four thousand, four hundred fifty-five".