55456242 has 8 divisors (see below), whose sum is σ = 110912496. Its totient is φ = 18485412.

The previous prime is 55456223. The next prime is 55456249. The reversal of 55456242 is 24265455.

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

55456242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55456249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4621348 + ... + 4621359.

It is an arithmetic number, because the mean of its divisors is an integer number (13864062).

Almost surely, 2^55456242 is an apocalyptic number.

55456242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55456242 is a wasteful number, since it uses less digits than its factorization.

55456242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242712.

The product of its digits is 48000, while the sum is 33.

The square root of 55456242 is about 7446.8947891051. The cubic root of 55456242 is about 381.3439072804.

The spelling of 55456242 in words is "fifty-five million, four hundred fifty-six thousand, two hundred forty-two".