56133151 has 4 divisors (see below), whose sum is σ = 56174400. Its totient is φ = 56091904.

The previous prime is 56133139. The next prime is 56133173. The reversal of 56133151 is 15133165.

56133151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15133165 = 5 ⋅3026633.

It is a cyclic number.

It is not a de Polignac number, because 56133151 - 2¹⁵ = 56100383 is a prime.

It is a super-3 number, since 3×56133151³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56133191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18511 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (14043600).

Almost surely, 2^56133151 is an apocalyptic number.

56133151 is a deficient number, since it is larger than the sum of its proper divisors (41249).

56133151 is a wasteful number, since it uses less digits than its factorization.

56133151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41248.

The product of its digits is 1350, while the sum is 25.

The square root of 56133151 is about 7492.2060169219. The cubic root of 56133151 is about 382.8892211888.

The spelling of 56133151 in words is "fifty-six million, one hundred thirty-three thousand, one hundred fifty-one".