1517270055 has 24 divisors (see below), whose sum is σ = 2823981552. Its totient is φ = 693608832.

The previous prime is 1517270047. The next prime is 1517270087. The reversal of 1517270055 is 5500727151.

It is not a de Polignac number, because 1517270055 - 2³ = 1517270047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1517269998 and 1517270025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1031422 + ... + 1032891.

It is an arithmetic number, because the mean of its divisors is an integer number (117665898).

Almost surely, 2^1517270055 is an apocalyptic number.

1517270055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1517270055 is a deficient number, since it is larger than the sum of its proper divisors (1306711497).

1517270055 is a wasteful number, since it uses less digits than its factorization.

1517270055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064335 (or 2064328 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 1517270055 is about 38952.1508392027. The cubic root of 1517270055 is about 1149.0906623729.

The spelling of 1517270055 in words is "one billion, five hundred seventeen million, two hundred seventy thousand, fifty-five".