662517055 has 4 divisors (see below), whose sum is σ = 795020472. Its totient is φ = 530013640.

The previous prime is 662517043. The next prime is 662517059. The reversal of 662517055 is 550715266.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 662517055 - 2⁷ = 662516927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662517059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66251701 + ... + 66251710.

It is an arithmetic number, because the mean of its divisors is an integer number (198755118).

Almost surely, 2^662517055 is an apocalyptic number.

662517055 is a deficient number, since it is larger than the sum of its proper divisors (132503417).

662517055 is a wasteful number, since it uses less digits than its factorization.

662517055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132503416.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 662517055 is about 25739.4066559429. The cubic root of 662517055 is about 871.7641812278.

The spelling of 662517055 in words is "six hundred sixty-two million, five hundred seventeen thousand, fifty-five".