56371133 has 24 divisors (see below), whose sum is σ = 73891008. Its totient is φ = 41962752.

The previous prime is 56371127. The next prime is 56371141. The reversal of 56371133 is 33117365.

It is a happy number.

It is not a de Polignac number, because 56371133 - 2⁶ = 56371069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56371096 and 56371105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56371123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18710 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (3078792).

Almost surely, 2^56371133 is an apocalyptic number.

It is an amenable number.

56371133 is a deficient number, since it is larger than the sum of its proper divisors (17519875).

56371133 is a wasteful number, since it uses less digits than its factorization.

56371133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853 (or 2840 counting only the distinct ones).

The product of its digits is 5670, while the sum is 29.

The square root of 56371133 is about 7508.0711903924. The cubic root of 56371133 is about 383.4295571085.

Adding to 56371133 its reverse (33117365), we get a palindrome (89488498).

The spelling of 56371133 in words is "fifty-six million, three hundred seventy-one thousand, one hundred thirty-three".