55645362 has 12 divisors (see below), whose sum is σ = 120564990. Its totient is φ = 18548448.

The previous prime is 55645361. The next prime is 55645363. The reversal of 55645362 is 26354655.

It is a happy number.

55645362 is a `hidden beast` number, since 5 + 5 + 645 + 3 + 6 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (55645361) and next prime (55645363).

It can be written as a sum of positive squares in only one way, i.e., 41873841 + 13771521 = 6471^2 + 3711^2 .

It is a super-2 number, since 2×55645362² = 6192812624222088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1545687 + ... + 1545722.

Almost surely, 2^55645362 is an apocalyptic number.

55645362 is an abundant number, since it is smaller than the sum of its proper divisors (64919628).

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

55645362 is a wasteful number, since it uses less digits than its factorization.

55645362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091417 (or 3091414 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 55645362 is about 7459.5818917685. The cubic root of 55645362 is about 381.7769089277.

The spelling of 55645362 in words is "fifty-five million, six hundred forty-five thousand, three hundred sixty-two".