56154437 has 2 divisors, whose sum is σ = 56154438. Its totient is φ = 56154436.

The previous prime is 56154433. The next prime is 56154457. The reversal of 56154437 is 73445165.

56154437 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., 45171841 + 10982596 = 6721^2 + 3314^2 .

It is a cyclic number.

It is not a de Polignac number, because 56154437 - 2² = 56154433 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56154397 and 56154406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56154433) 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, 28077218 + 28077219.

It is an arithmetic number, because the mean of its divisors is an integer number (28077219).

Almost surely, 2^56154437 is an apocalyptic number.

It is an amenable number.

56154437 is a deficient number, since it is larger than the sum of its proper divisors (1).

56154437 is an equidigital number, since it uses as much as digits as its factorization.

56154437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 56154437 is about 7493.6264251696. The cubic root of 56154437 is about 382.9376129730.

The spelling of 56154437 in words is "fifty-six million, one hundred fifty-four thousand, four hundred thirty-seven".