56550554 has 8 divisors (see below), whose sum is σ = 85295028. Its totient is φ = 28118880.

The previous prime is 56550553. The next prime is 56550563. The reversal of 56550554 is 45505565.

It can be written as a sum of positive squares in 2 ways, for example, as 42315025 + 14235529 = 6505^2 + 3773^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56550553) 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, 77747 + ... + 78470.

Almost surely, 2^56550554 is an apocalyptic number.

56550554 is a deficient number, since it is larger than the sum of its proper divisors (28744474).

56550554 is a wasteful number, since it uses less digits than its factorization.

56550554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156400.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 56550554 is about 7520.0102393547. The cubic root of 56550554 is about 383.8359261798.

The spelling of 56550554 in words is "fifty-six million, five hundred fifty thousand, five hundred fifty-four".