1553255 has 16 divisors (see below), whose sum is σ = 2101248. Its totient is φ = 1092000.

The previous prime is 1553249. The next prime is 1553281. The reversal of 1553255 is 5523551.

It is not a de Polignac number, because 1553255 - 2⁶ = 1553191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (131328).

2^1553255 is an apocalyptic number.

1553255 is a deficient number, since it is larger than the sum of its proper divisors (547993).

1553255 is a wasteful number, since it uses less digits than its factorization.

1553255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958.

The product of its digits is 3750, while the sum is 26.

The square root of 1553255 is about 1246.2965136756. The cubic root of 1553255 is about 115.8104067018.

The spelling of 1553255 in words is "one million, five hundred fifty-three thousand, two hundred fifty-five".