56477423 has 2 divisors, whose sum is σ = 56477424. Its totient is φ = 56477422.

The previous prime is 56477419. The next prime is 56477437. The reversal of 56477423 is 32477465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56477423 - 2² = 56477419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56474423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28238711 + 28238712.

It is an arithmetic number, because the mean of its divisors is an integer number (28238712).

Almost surely, 2^56477423 is an apocalyptic number.

56477423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56477423 is an equidigital number, since it uses as much as digits as its factorization.

56477423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 38.

The square root of 56477423 is about 7515.1462394287. The cubic root of 56477423 is about 383.6703963310.

The spelling of 56477423 in words is "fifty-six million, four hundred seventy-seven thousand, four hundred twenty-three".