55256042 has 8 divisors (see below), whose sum is σ = 83342532. Its totient is φ = 27475200.

The previous prime is 55256041. The next prime is 55256053. The reversal of 55256042 is 24065255.

It can be written as a sum of positive squares in 2 ways, for example, as 34562641 + 20693401 = 5879^2 + 4549^2 .

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 = 55255996 and 55256014.

It is not an unprimeable number, because it can be changed into a prime (55256041) 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, 75959 + ... + 76682.

Almost surely, 2^55256042 is an apocalyptic number.

55256042 is a deficient number, since it is larger than the sum of its proper divisors (28086490).

55256042 is a wasteful number, since it uses less digits than its factorization.

55256042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152824.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55256042 is about 7433.4407914505. The cubic root of 55256042 is about 380.8844633291.

The spelling of 55256042 in words is "fifty-five million, two hundred fifty-six thousand, forty-two".