55446700 has 18 divisors (see below), whose sum is σ = 120319556. Its totient is φ = 22178640.

The previous prime is 55446697. The next prime is 55446701. The reversal of 55446700 is 764455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55446701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277134 + ... + 277333.

Almost surely, 2^55446700 is an apocalyptic number.

55446700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55446700 is an abundant number, since it is smaller than the sum of its proper divisors (64872856).

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

55446700 is a wasteful number, since it uses less digits than its factorization.

55446700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554481 (or 554474 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 55446700 is about 7446.2540918236. The cubic root of 55446700 is about 381.3220342254.

The spelling of 55446700 in words is "fifty-five million, four hundred forty-six thousand, seven hundred".