56151213 has 8 divisors (see below), whose sum is σ = 78808800. Its totient is φ = 35463888.

The previous prime is 56151209. The next prime is 56151217. The reversal of 56151213 is 31215165.

It is an interprime number because it is at equal distance from previous prime (56151209) and next prime (56151217).

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

It is not a de Polignac number, because 56151213 - 2² = 56151209 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 (56151217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492498 + ... + 492611.

It is an arithmetic number, because the mean of its divisors is an integer number (9851100).

Almost surely, 2^56151213 is an apocalyptic number.

It is an amenable number.

56151213 is a deficient number, since it is larger than the sum of its proper divisors (22657587).

56151213 is a wasteful number, since it uses less digits than its factorization.

56151213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985131.

The product of its digits is 900, while the sum is 24.

The square root of 56151213 is about 7493.4113059407. The cubic root of 56151213 is about 382.9302842882.

Adding to 56151213 its reverse (31215165), we get a palindrome (87366378).

The spelling of 56151213 in words is "fifty-six million, one hundred fifty-one thousand, two hundred thirteen".