56453149 has 2 divisors, whose sum is σ = 56453150. Its totient is φ = 56453148.

The previous prime is 56453113. The next prime is 56453203. The reversal of 56453149 is 94135465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 1545049 = 7410^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 56453149 - 2¹⁵ = 56420381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56453249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28226574 + 28226575.

It is an arithmetic number, because the mean of its divisors is an integer number (28226575).

Almost surely, 2^56453149 is an apocalyptic number.

It is an amenable number.

56453149 is a deficient number, since it is larger than the sum of its proper divisors (1).

56453149 is an equidigital number, since it uses as much as digits as its factorization.

56453149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 56453149 is about 7513.5310606931. The cubic root of 56453149 is about 383.6154212673.

The spelling of 56453149 in words is "fifty-six million, four hundred fifty-three thousand, one hundred forty-nine".