55443370 has 8 divisors (see below), whose sum is σ = 99798084. Its totient is φ = 22177344.

The previous prime is 55443361. The next prime is 55443433. The reversal of 55443370 is 7334455.

It can be written as a sum of positive squares in 2 ways, for example, as 49238289 + 6205081 = 7017^2 + 2491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772159 + ... + 2772178.

Almost surely, 2^55443370 is an apocalyptic number.

55443370 is a deficient number, since it is larger than the sum of its proper divisors (44354714).

55443370 is a wasteful number, since it uses less digits than its factorization.

55443370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544344.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 55443370 is about 7446.0304861047. The cubic root of 55443370 is about 381.3144003008.

The spelling of 55443370 in words is "fifty-five million, four hundred forty-three thousand, three hundred seventy".