55863429 has 4 divisors (see below), whose sum is σ = 74484576. Its totient is φ = 37242284.

The previous prime is 55863427. The next prime is 55863433. The reversal of 55863429 is 92436855.

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 55863429 - 2¹ = 55863427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55863427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9310569 + ... + 9310574.

It is an arithmetic number, because the mean of its divisors is an integer number (18621144).

Almost surely, 2^55863429 is an apocalyptic number.

It is an amenable number.

55863429 is a deficient number, since it is larger than the sum of its proper divisors (18621147).

55863429 is a wasteful number, since it uses less digits than its factorization.

55863429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621146.

The product of its digits is 259200, while the sum is 42.

The square root of 55863429 is about 7474.1841695265. The cubic root of 55863429 is about 382.2749703764.

The spelling of 55863429 in words is "fifty-five million, eight hundred sixty-three thousand, four hundred twenty-nine".