56142554 has 8 divisors (see below), whose sum is σ = 90691860. Its totient is φ = 25911936.

The previous prime is 56142553. The next prime is 56142577. The reversal of 56142554 is 45524165.

It can be written as a sum of positive squares in 2 ways, for example, as 53655625 + 2486929 = 7325^2 + 1577^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56142554.

It is not an unprimeable number, because it can be changed into a prime (56142553) 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, 1079639 + ... + 1079690.

Almost surely, 2^56142554 is an apocalyptic number.

56142554 is a deficient number, since it is larger than the sum of its proper divisors (34549306).

56142554 is a wasteful number, since it uses less digits than its factorization.

56142554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159344.

The product of its digits is 24000, while the sum is 32.

The square root of 56142554 is about 7492.8335094275. The cubic root of 56142554 is about 382.9105995619.

The spelling of 56142554 in words is "fifty-six million, one hundred forty-two thousand, five hundred fifty-four".