55574863 has 2 divisors, whose sum is σ = 55574864. Its totient is φ = 55574862.

The previous prime is 55574833. The next prime is 55574879. The reversal of 55574863 is 36847555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55574863 - 2¹³ = 55566671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55574833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27787431 + 27787432.

It is an arithmetic number, because the mean of its divisors is an integer number (27787432).

Almost surely, 2^55574863 is an apocalyptic number.

55574863 is a deficient number, since it is larger than the sum of its proper divisors (1).

55574863 is an equidigital number, since it uses as much as digits as its factorization.

55574863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 43.

The square root of 55574863 is about 7454.8549952363. The cubic root of 55574863 is about 381.6156120780.

The spelling of 55574863 in words is "fifty-five million, five hundred seventy-four thousand, eight hundred sixty-three".