1353550 has 48 divisors (see below), whose sum is σ = 2892672. Its totient is φ = 466400.

The previous prime is 1353487. The next prime is 1353551. The reversal of 1353550 is 553531.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353551) 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 23 ways as a sum of consecutive naturals, for example, 12597 + ... + 12703.

It is an arithmetic number, because the mean of its divisors is an integer number (60264).

2^1353550 is an apocalyptic number.

1353550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353550 is an abundant number, since it is smaller than the sum of its proper divisors (1539122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1353550 is a wasteful number, since it uses less digits than its factorization.

1353550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 1353550 is about 1163.4216776389. The cubic root of 1353550 is about 110.6177365506.

The spelling of 1353550 in words is "one million, three hundred fifty-three thousand, five hundred fifty".