55522017 has 40 divisors (see below), whose sum is σ = 89393832. Its totient is φ = 34214400.

The previous prime is 55522013. The next prime is 55522031. The reversal of 55522017 is 71022555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8242641 + 47279376 = 2871^2 + 6876^2 .

It is not a de Polignac number, because 55522017 - 2² = 55522013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55522013) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83667 + ... + 84327.

Almost surely, 2^55522017 is an apocalyptic number.

It is an amenable number.

55522017 is a deficient number, since it is larger than the sum of its proper divisors (33871815).

55522017 is a wasteful number, since it uses less digits than its factorization.

55522017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 55522017 is about 7451.3097506412. The cubic root of 55522017 is about 381.4946146034.

It can be divided in two parts, 5552 and 2017, that added together give a square (7569 = 87²).

The spelling of 55522017 in words is "fifty-five million, five hundred twenty-two thousand, seventeen".