56153387 has 2 divisors, whose sum is σ = 56153388. Its totient is φ = 56153386.

The previous prime is 56153381. The next prime is 56153413. The reversal of 56153387 is 78335165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56153387 - 2⁴ = 56153371 is a prime.

It is a Chen prime.

It is equal to p_3346985 and since 56153387 and 3346985 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56153387.

It is not a weakly prime, because it can be changed into another prime (56153381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28076693 + 28076694.

It is an arithmetic number, because the mean of its divisors is an integer number (28076694).

Almost surely, 2^56153387 is an apocalyptic number.

56153387 is a deficient number, since it is larger than the sum of its proper divisors (1).

56153387 is an equidigital number, since it uses as much as digits as its factorization.

56153387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 56153387 is about 7493.5563653048. The cubic root of 56153387 is about 382.9352261803.

The spelling of 56153387 in words is "fifty-six million, one hundred fifty-three thousand, three hundred eighty-seven".