55713587 has 2 divisors, whose sum is σ = 55713588. Its totient is φ = 55713586.

The previous prime is 55713583. The next prime is 55713617. The reversal of 55713587 is 78531755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55713587 - 2² = 55713583 is a prime.

It is a super-3 number, since 3×55713587³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55713583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27856793 + 27856794.

It is an arithmetic number, because the mean of its divisors is an integer number (27856794).

Almost surely, 2^55713587 is an apocalyptic number.

55713587 is a deficient number, since it is larger than the sum of its proper divisors (1).

55713587 is an equidigital number, since it uses as much as digits as its factorization.

55713587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 41.

The square root of 55713587 is about 7464.1534684115. The cubic root of 55713587 is about 381.9328733597.

The spelling of 55713587 in words is "fifty-five million, seven hundred thirteen thousand, five hundred eighty-seven".