1697480055 has 24 divisors (see below), whose sum is σ = 3043759680. Its totient is φ = 874104000.

The previous prime is 1697480027. The next prime is 1697480077. The reversal of 1697480055 is 5500847961.

1697480055 is a `hidden beast` number, since 169 + 7 + 480 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 1697480055 - 2¹⁰ = 1697479031 is a prime.

It is a super-3 number, since 3×1697480055³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 649071 + ... + 651680.

It is an arithmetic number, because the mean of its divisors is an integer number (126823320).

Almost surely, 2^1697480055 is an apocalyptic number.

1697480055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1697480055 is a deficient number, since it is larger than the sum of its proper divisors (1346279625).

1697480055 is a wasteful number, since it uses less digits than its factorization.

1697480055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300791 (or 1300788 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 1697480055 is about 41200.4861015013. The cubic root of 1697480055 is about 1192.8931920726.

The spelling of 1697480055 in words is "one billion, six hundred ninety-seven million, four hundred eighty thousand, fifty-five".