1493475555 has 64 divisors (see below), whose sum is σ = 2855139840. Its totient is φ = 657024000.

The previous prime is 1493475539. The next prime is 1493475569. The reversal of 1493475555 is 5555743941.

It is not a de Polignac number, because 1493475555 - 2⁴ = 1493475539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120655 + ... + 132455.

It is an arithmetic number, because the mean of its divisors is an integer number (44611560).

Almost surely, 2^1493475555 is an apocalyptic number.

1493475555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1493475555 is a deficient number, since it is larger than the sum of its proper divisors (1361664285).

1493475555 is a wasteful number, since it uses less digits than its factorization.

1493475555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892.

The product of its digits is 1890000, while the sum is 48.

The square root of 1493475555 is about 38645.5114469973. The cubic root of 1493475555 is about 1143.0521358990.

The spelling of 1493475555 in words is "one billion, four hundred ninety-three million, four hundred seventy-five thousand, five hundred fifty-five".