55516662 has 48 divisors (see below), whose sum is σ = 127960560. Its totient is φ = 17335296.

The previous prime is 55516661. The next prime is 55516667. The reversal of 55516662 is 26661555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55516661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127998 + ... + 128430.

It is an arithmetic number, because the mean of its divisors is an integer number (2665845).

Almost surely, 2^55516662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55516662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63980280).

55516662 is an abundant number, since it is smaller than the sum of its proper divisors (72443898).

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

55516662 is a wasteful number, since it uses less digits than its factorization.

55516662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 874 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55516662 is about 7450.9504091760. The cubic root of 55516662 is about 381.4823493830.

The spelling of 55516662 in words is "fifty-five million, five hundred sixteen thousand, six hundred sixty-two".