56636436 has 24 divisors (see below), whose sum is σ = 134646624. Its totient is φ = 18522400.

The previous prime is 56636431. The next prime is 56636441. The reversal of 56636436 is 63463665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56636431) and next prime (56636441).

It is a junction number, because it is equal to n+sod(n) for n = 56636394 and 56636403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56636431) 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, 43890 + ... + 45161.

It is an arithmetic number, because the mean of its divisors is an integer number (5610276).

Almost surely, 2^56636436 is an apocalyptic number.

It is an amenable number.

56636436 is an abundant number, since it is smaller than the sum of its proper divisors (78010188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56636436 is a wasteful number, since it uses less digits than its factorization.

56636436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89111 (or 89109 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The square root of 56636436 is about 7525.7183045873. The cubic root of 56636436 is about 384.0301354388.

The spelling of 56636436 in words is "fifty-six million, six hundred thirty-six thousand, four hundred thirty-six".