55530077 has 8 divisors (see below), whose sum is σ = 56889216. Its totient is φ = 54178432.

The previous prime is 55530053. The next prime is 55530089. The reversal of 55530077 is 77003555.

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 55530077 - 2⁸ = 55529821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55530017) 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, 14918 + ... + 18264.

It is an arithmetic number, because the mean of its divisors is an integer number (7111152).

Almost surely, 2^55530077 is an apocalyptic number.

It is an amenable number.

55530077 is a deficient number, since it is larger than the sum of its proper divisors (1359139).

55530077 is a wasteful number, since it uses less digits than its factorization.

55530077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 55530077 is about 7451.8505755282. The cubic root of 55530077 is about 381.5130739341.

The spelling of 55530077 in words is "fifty-five million, five hundred thirty thousand, seventy-seven".