7055638 has 4 divisors (see below), whose sum is σ = 10583460. Its totient is φ = 3527818.

The previous prime is 7055627. The next prime is 7055647. The reversal of 7055638 is 8365507.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8365507 = 2309 ⋅3623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1763908 + ... + 1763911.

It is an arithmetic number, because the mean of its divisors is an integer number (2645865).

Almost surely, 2^7055638 is an apocalyptic number.

7055638 is a deficient number, since it is larger than the sum of its proper divisors (3527822).

7055638 is a wasteful number, since it uses less digits than its factorization.

7055638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527821.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 7055638 is about 2656.2450941131. The cubic root of 7055638 is about 191.7985988518.

It can be divided in two parts, 705 and 5638, that multiplied together give a triangular number (3974790 = T₂₈₁₉).

The spelling of 7055638 in words is "seven million, fifty-five thousand, six hundred thirty-eight".