55814242 has 16 divisors (see below), whose sum is σ = 91603872. Its totient is φ = 25294720.

The previous prime is 55814233. The next prime is 55814287. The reversal of 55814242 is 24241855.

It is a super-2 number, since 2×55814242² = 6230459220069128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4173 + ... + 11359.

It is an arithmetic number, because the mean of its divisors is an integer number (5725242).

Almost surely, 2^55814242 is an apocalyptic number.

55814242 is a deficient number, since it is larger than the sum of its proper divisors (35789630).

55814242 is a wasteful number, since it uses less digits than its factorization.

55814242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553.

The product of its digits is 12800, while the sum is 31.

The square root of 55814242 is about 7470.8929854469. The cubic root of 55814242 is about 382.1627414365.

The spelling of 55814242 in words is "fifty-five million, eight hundred fourteen thousand, two hundred forty-two".