1538055 has 16 divisors (see below), whose sum is σ = 2734560. Its totient is φ = 820224.

The previous prime is 1538039. The next prime is 1538057. The reversal of 1538055 is 5508351.

It is not a de Polignac number, because 1538055 - 2⁴ = 1538039 is a prime.

It is a super-2 number, since 2×1538055² = 4731226366050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

1538055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5562 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (170910).

2^1538055 is an apocalyptic number.

1538055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1538055 is a deficient number, since it is larger than the sum of its proper divisors (1196505).

1538055 is a wasteful number, since it uses less digits than its factorization.

1538055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407 (or 11401 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1538055 is about 1240.1834541712. The cubic root of 1538055 is about 115.4313979526.

1538055 divided by its sum of digits (27) gives a palindrome (56965).

The spelling of 1538055 in words is "one million, five hundred thirty-eight thousand, fifty-five".