55322616 has 16 divisors (see below), whose sum is σ = 138306600. Its totient is φ = 18440864.

The previous prime is 55322611. The next prime is 55322621. The reversal of 55322616 is 61622355.

It is an interprime number because it is at equal distance from previous prime (55322611) and next prime (55322621).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55322611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152531 + ... + 1152578.

Almost surely, 2^55322616 is an apocalyptic number.

It is an amenable number.

55322616 is an abundant number, since it is smaller than the sum of its proper divisors (82983984).

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

55322616 is a wasteful number, since it uses less digits than its factorization.

55322616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305118 (or 2305114 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 55322616 is about 7437.9174504696. The cubic root of 55322616 is about 381.0373686317.

The spelling of 55322616 in words is "fifty-five million, three hundred twenty-two thousand, six hundred sixteen".