55230169 has 4 divisors (see below), whose sum is σ = 58137040. Its totient is φ = 52323300.

The previous prime is 55230167. The next prime is 55230173. The reversal of 55230169 is 96103255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55230169 - 2¹ = 55230167 is a prime.

It is a super-2 number, since 2×55230169² = 6100743135537122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55230169.

It is not an unprimeable number, because it can be changed into a prime (55230163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453407 + ... + 1453444.

It is an arithmetic number, because the mean of its divisors is an integer number (14534260).

Almost surely, 2^55230169 is an apocalyptic number.

It is an amenable number.

55230169 is a deficient number, since it is larger than the sum of its proper divisors (2906871).

55230169 is a wasteful number, since it uses less digits than its factorization.

55230169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906870.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 55230169 is about 7431.7002765182. The cubic root of 55230169 is about 380.8250058058.

The spelling of 55230169 in words is "fifty-five million, two hundred thirty thousand, one hundred sixty-nine".