56121463 has 2 divisors, whose sum is σ = 56121464. Its totient is φ = 56121462.

The previous prime is 56121433. The next prime is 56121469. The reversal of 56121463 is 36412165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56121463 - 2⁹ = 56120951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56121469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28060731 + 28060732.

It is an arithmetic number, because the mean of its divisors is an integer number (28060732).

Almost surely, 2^56121463 is an apocalyptic number.

56121463 is a deficient number, since it is larger than the sum of its proper divisors (1).

56121463 is an equidigital number, since it uses as much as digits as its factorization.

56121463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 56121463 is about 7491.4259657291. The cubic root of 56121463 is about 382.8626443812.

The spelling of 56121463 in words is "fifty-six million, one hundred twenty-one thousand, four hundred sixty-three".