56091554 has 8 divisors (see below), whose sum is σ = 84170988. Its totient is φ = 28034560.

The previous prime is 56091527. The next prime is 56091569. The reversal of 56091554 is 45519065.

It can be written as a sum of positive squares in 2 ways, for example, as 55160329 + 931225 = 7427^2 + 965^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3794 + ... + 11250.

Almost surely, 2^56091554 is an apocalyptic number.

56091554 is a deficient number, since it is larger than the sum of its proper divisors (28079434).

56091554 is a wasteful number, since it uses less digits than its factorization.

56091554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 56091554 is about 7489.4294842798. The cubic root of 56091554 is about 382.7946188699.

The spelling of 56091554 in words is "fifty-six million, ninety-one thousand, five hundred fifty-four".