55323016 has 16 divisors (see below), whose sum is σ = 118549440. Its totient is φ = 23709840.

The previous prime is 55323013. The next prime is 55323017. The reversal of 55323016 is 61032355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55323011) 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, 493900 + ... + 494011.

It is an arithmetic number, because the mean of its divisors is an integer number (7409340).

Almost surely, 2^55323016 is an apocalyptic number.

55323016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55323016 is an abundant number, since it is smaller than the sum of its proper divisors (63226424).

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

55323016 is a wasteful number, since it uses less digits than its factorization.

55323016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987924 (or 987920 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 55323016 is about 7437.9443396681. The cubic root of 55323016 is about 381.0382869697.

The spelling of 55323016 in words is "fifty-five million, three hundred twenty-three thousand, sixteen".