56454142 has 8 divisors (see below), whose sum is σ = 84913056. Its totient is φ = 28149792.

The previous prime is 56454113. The next prime is 56454143. The reversal of 56454142 is 24145465.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56454143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37723 + ... + 39190.

It is an arithmetic number, because the mean of its divisors is an integer number (10614132).

Almost surely, 2^56454142 is an apocalyptic number.

56454142 is a deficient number, since it is larger than the sum of its proper divisors (28458914).

56454142 is a wasteful number, since it uses less digits than its factorization.

56454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77282.

The product of its digits is 19200, while the sum is 31.

The square root of 56454142 is about 7513.5971411834. The cubic root of 56454142 is about 383.6176704945.

The spelling of 56454142 in words is "fifty-six million, four hundred fifty-four thousand, one hundred forty-two".