55467890 has 8 divisors (see below), whose sum is σ = 99842220. Its totient is φ = 22187152.

The previous prime is 55467883. The next prime is 55467901. The reversal of 55467890 is 9876455.

It can be written as a sum of positive squares in 2 ways, for example, as 46389721 + 9078169 = 6811^2 + 3013^2 .

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, 2773385 + ... + 2773404.

Almost surely, 2^55467890 is an apocalyptic number.

55467890 is a deficient number, since it is larger than the sum of its proper divisors (44374330).

55467890 is a wasteful number, since it uses less digits than its factorization.

55467890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546796.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 55467890 is about 7447.6768189819. The cubic root of 55467890 is about 381.3706045028.

The spelling of 55467890 in words is "fifty-five million, four hundred sixty-seven thousand, eight hundred ninety".