55645527 has 24 divisors (see below), whose sum is σ = 89098752. Its totient is φ = 30769200.

The previous prime is 55645523. The next prime is 55645529. The reversal of 55645527 is 72554655.

55645527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55645527 - 2² = 55645523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (3712448).

Almost surely, 2^55645527 is an apocalyptic number.

55645527 is a deficient number, since it is larger than the sum of its proper divisors (33453225).

55645527 is a wasteful number, since it uses less digits than its factorization.

55645527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259 (or 12252 counting only the distinct ones).

The product of its digits is 210000, while the sum is 39.

The square root of 55645527 is about 7459.5929513614. The cubic root of 55645527 is about 381.7772862765. Note that the first 3 decimals are identical.

The spelling of 55645527 in words is "fifty-five million, six hundred forty-five thousand, five hundred twenty-seven".