55023645546 has 40 divisors (see below), whose sum is σ = 124446041280. Its totient is φ = 18169796232.

The previous prime is 55023645539. The next prime is 55023645559. The reversal of 55023645546 is 64554632055.

55023645546 is a `hidden beast` number, since 550 + 2 + 3 + 6 + 4 + 55 + 46 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1569826 + ... + 1604493.

It is an arithmetic number, because the mean of its divisors is an integer number (3111151032).

Almost surely, 2^55023645546 is an apocalyptic number.

55023645546 is an abundant number, since it is smaller than the sum of its proper divisors (69422395734).

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

55023645546 is a wasteful number, since it uses less digits than its factorization.

55023645546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174440 (or 3174431 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

It can be divided in two parts, 55023 and 645546, that added together give a square (700569 = 837²).

The spelling of 55023645546 in words is "fifty-five billion, twenty-three million, six hundred forty-five thousand, five hundred forty-six".