56201031 has 24 divisors (see below), whose sum is σ = 90483120. Its totient is φ = 33405696.

The previous prime is 56201003. The next prime is 56201053. The reversal of 56201031 is 13010265.

56201031 is a `hidden beast` number, since 5 + 620 + 10 + 31 = 666.

It is not a de Polignac number, because 56201031 - 2¹⁴ = 56184647 is a prime.

It is a super-2 number, since 2×56201031² = 6317111770925922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56200995 and 56201013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56201071) 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, 6760 + ... + 12573.

It is an arithmetic number, because the mean of its divisors is an integer number (3770130).

Almost surely, 2^56201031 is an apocalyptic number.

56201031 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56201031 is a deficient number, since it is larger than the sum of its proper divisors (34282089).

56201031 is a wasteful number, since it uses less digits than its factorization.

56201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19375 (or 19372 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 56201031 is about 7496.7346891830. The cubic root of 56201031 is about 383.0434975264.

Adding to 56201031 its reverse (13010265), we get a palindrome (69211296).

The spelling of 56201031 in words is "fifty-six million, two hundred one thousand, thirty-one".