55563146436 has 72 divisors (see below), whose sum is σ = 151965719136. Its totient is φ = 15753978240.

The previous prime is 55563146399. The next prime is 55563146447. The reversal of 55563146436 is 63464136555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283641 + ... + 437696.

It is an arithmetic number, because the mean of its divisors is an integer number (2110634988).

Almost surely, 2^55563146436 is an apocalyptic number.

It is an amenable number.

55563146436 is an abundant number, since it is smaller than the sum of its proper divisors (96402572700).

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

55563146436 is a wasteful number, since it uses less digits than its factorization.

55563146436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721489 (or 721480 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The spelling of 55563146436 in words is "fifty-five billion, five hundred sixty-three million, one hundred forty-six thousand, four hundred thirty-six".