55236463 has 4 divisors (see below), whose sum is σ = 55368088. Its totient is φ = 55104840.

The previous prime is 55236457. The next prime is 55236469. The reversal of 55236463 is 36463255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36463255 = 5 ⋅7292651.

It is an interprime number because it is at equal distance from previous prime (55236457) and next prime (55236469).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55236463 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 (55236469) 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 3 ways as a sum of consecutive naturals, for example, 65181 + ... + 66022.

It is an arithmetic number, because the mean of its divisors is an integer number (13842022).

Almost surely, 2^55236463 is an apocalyptic number.

55236463 is a deficient number, since it is larger than the sum of its proper divisors (131625).

55236463 is a wasteful number, since it uses less digits than its factorization.

55236463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131624.

The product of its digits is 64800, while the sum is 34.

The square root of 55236463 is about 7432.1237207140. The cubic root of 55236463 is about 380.8394714597.

The spelling of 55236463 in words is "fifty-five million, two hundred thirty-six thousand, four hundred sixty-three".