55555042 has 8 divisors (see below), whose sum is σ = 84111696. Its totient is φ = 27517812.

The previous prime is 55555033. The next prime is 55555043. The reversal of 55555042 is 24055555.

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

It is a junction number, because it is equal to n+sod(n) for n = 55554995 and 55555013.

It is not an unprimeable number, because it can be changed into a prime (55555043) 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, 129588 + ... + 130015.

It is an arithmetic number, because the mean of its divisors is an integer number (10513962).

Almost surely, 2^55555042 is an apocalyptic number.

55555042 is a deficient number, since it is larger than the sum of its proper divisors (28556654).

55555042 is a wasteful number, since it uses less digits than its factorization.

55555042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259712.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 55555042 is about 7453.5254745657. The cubic root of 55555042 is about 381.5702384321.

The spelling of 55555042 in words is "fifty-five million, five hundred fifty-five thousand, forty-two".