56154157 has 2 divisors, whose sum is σ = 56154158. Its totient is φ = 56154156.

The previous prime is 56154151. The next prime is 56154169. The reversal of 56154157 is 75145165.

56154157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29311396 + 26842761 = 5414^2 + 5181^2 .

It is a cyclic number.

It is not a de Polignac number, because 56154157 - 2³ = 56154149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56154151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28077078 + 28077079.

It is an arithmetic number, because the mean of its divisors is an integer number (28077079).

Almost surely, 2^56154157 is an apocalyptic number.

It is an amenable number.

56154157 is a deficient number, since it is larger than the sum of its proper divisors (1).

56154157 is an equidigital number, since it uses as much as digits as its factorization.

56154157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 34.

The square root of 56154157 is about 7493.6077426030. The cubic root of 56154157 is about 382.9369764978.

The spelling of 56154157 in words is "fifty-six million, one hundred fifty-four thousand, one hundred fifty-seven".