56120133 has 16 divisors (see below), whose sum is σ = 77604480. Its totient is φ = 36031296.

The previous prime is 56120131. The next prime is 56120159. The reversal of 56120133 is 33102165.

It is not a de Polignac number, because 56120133 - 2¹ = 56120131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56120131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55791 + ... + 56787.

It is an arithmetic number, because the mean of its divisors is an integer number (4850280).

Almost surely, 2^56120133 is an apocalyptic number.

It is an amenable number.

56120133 is a deficient number, since it is larger than the sum of its proper divisors (21484347).

56120133 is a wasteful number, since it uses less digits than its factorization.

56120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 56120133 is about 7491.3371970563. The cubic root of 56120133 is about 382.8596199213.

Adding to 56120133 its reverse (33102165), we get a palindrome (89222298).

The spelling of 56120133 in words is "fifty-six million, one hundred twenty thousand, one hundred thirty-three".