55226700 has 54 divisors (see below), whose sum is σ = 173107844. Its totient is φ = 14726880.

The previous prime is 55226669. The next prime is 55226707. The reversal of 55226700 is 762255.

It is not an unprimeable number, because it can be changed into a prime (55226707) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29782 + ... + 31581.

Almost surely, 2^55226700 is an apocalyptic number.

55226700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55226700 is an abundant number, since it is smaller than the sum of its proper divisors (117881144).

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

55226700 is a wasteful number, since it uses less digits than its factorization.

55226700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61383 (or 61373 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 55226700 is about 7431.4668807713. The cubic root of 55226700 is about 380.8170324485.

Adding to 55226700 its reverse (762255), we get a palindrome (55988955).

The spelling of 55226700 in words is "fifty-five million, two hundred twenty-six thousand, seven hundred".