55463869 has 8 divisors (see below), whose sum is σ = 58494240. Its totient is φ = 52444656.

The previous prime is 55463827. The next prime is 55463893. The reversal of 55463869 is 96836455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55463869 is a prime.

It is a super-2 number, since 2×55463869² = 6152481528898322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55463819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8667 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (7311780).

Almost surely, 2^55463869 is an apocalyptic number.

It is an amenable number.

55463869 is a deficient number, since it is larger than the sum of its proper divisors (3030371).

55463869 is a wasteful number, since it uses less digits than its factorization.

55463869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579.

The product of its digits is 777600, while the sum is 46.

The square root of 55463869 is about 7447.4068641373. The cubic root of 55463869 is about 381.3613887910.

The spelling of 55463869 in words is "fifty-five million, four hundred sixty-three thousand, eight hundred sixty-nine".