55229064 has 32 divisors (see below), whose sum is σ = 150625440. Its totient is φ = 16736000.

The previous prime is 55229063. The next prime is 55229077. The reversal of 55229064 is 46092255.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (55229063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104337 + ... + 104864.

It is an arithmetic number, because the mean of its divisors is an integer number (4707045).

Almost surely, 2^55229064 is an apocalyptic number.

It is an amenable number.

55229064 is an abundant number, since it is smaller than the sum of its proper divisors (95396376).

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

55229064 is a wasteful number, since it uses less digits than its factorization.

55229064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209221 (or 209217 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55229064 is about 7431.6259324592. The cubic root of 55229064 is about 380.8224660438.

The spelling of 55229064 in words is "fifty-five million, two hundred twenty-nine thousand, sixty-four".