55583701 has 2 divisors, whose sum is σ = 55583702. Its totient is φ = 55583700.

The previous prime is 55583687. The next prime is 55583707. The reversal of 55583701 is 10738555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55487601 + 96100 = 7449^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 55583701 - 2²¹ = 53486549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55583707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27791850 + 27791851.

It is an arithmetic number, because the mean of its divisors is an integer number (27791851).

Almost surely, 2^55583701 is an apocalyptic number.

It is an amenable number.

55583701 is a deficient number, since it is larger than the sum of its proper divisors (1).

55583701 is an equidigital number, since it uses as much as digits as its factorization.

55583701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 55583701 is about 7455.4477397404. The cubic root of 55583701 is about 381.6358402881.

The spelling of 55583701 in words is "fifty-five million, five hundred eighty-three thousand, seven hundred one".