1090055487 has 16 divisors (see below), whose sum is σ = 1540069632. Its totient is φ = 683437440.

The previous prime is 1090055471. The next prime is 1090055497. The reversal of 1090055487 is 7845500901.

It is not a de Polignac number, because 1090055487 - 2⁴ = 1090055471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090055437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66412 + ... + 81182.

It is an arithmetic number, because the mean of its divisors is an integer number (96254352).

Almost surely, 2^1090055487 is an apocalyptic number.

1090055487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1090055487 is a deficient number, since it is larger than the sum of its proper divisors (450014145).

1090055487 is a wasteful number, since it uses less digits than its factorization.

1090055487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16238.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 1090055487 is about 33015.9883541293. The cubic root of 1090055487 is about 1029.1599292807.

The spelling of 1090055487 in words is "one billion, ninety million, fifty-five thousand, four hundred eighty-seven".