55530885 has 8 divisors (see below), whose sum is σ = 88849440. Its totient is φ = 29616464.

The previous prime is 55530883. The next prime is 55530887. The reversal of 55530885 is 58803555.

It is an interprime number because it is at equal distance from previous prime (55530883) and next prime (55530887).

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 55530885 - 2¹ = 55530883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55530883) 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, 1851015 + ... + 1851044.

It is an arithmetic number, because the mean of its divisors is an integer number (11106180).

Almost surely, 2^55530885 is an apocalyptic number.

It is an amenable number.

55530885 is a deficient number, since it is larger than the sum of its proper divisors (33318555).

55530885 is a wasteful number, since it uses less digits than its factorization.

55530885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702067.

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 55530885 is about 7451.9047900520. The cubic root of 55530885 is about 381.5149243492.

The spelling of 55530885 in words is "fifty-five million, five hundred thirty thousand, eight hundred eighty-five".