1053550 has 24 divisors (see below), whose sum is σ = 2064600. Its totient is φ = 398880.

The previous prime is 1053539. The next prime is 1053551. The reversal of 1053550 is 553501.

1053550 = 49² + 50² + ... + 148².

It is a super-2 number, since 2×1053550² = 2219935205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (86025).

2^1053550 is an apocalyptic number.

1053550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1053550 is a deficient number, since it is larger than the sum of its proper divisors (1011050).

1053550 is a wasteful number, since it uses less digits than its factorization.

1053550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 1053550 is about 1026.4258375548. The cubic root of 1053550 is about 101.7540530877.

It can be divided in two parts, 10535 and 50, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 1053550 in words is "one million, fifty-three thousand, five hundred fifty".