1055353143 has 32 divisors (see below), whose sum is σ = 1535083200. Its totient is φ = 641064960.

The previous prime is 1055353139. The next prime is 1055353147. The reversal of 1055353143 is 3413535501.

It is an interprime number because it is at equal distance from previous prime (1055353139) and next prime (1055353147).

It is not a de Polignac number, because 1055353143 - 2² = 1055353139 is a prime.

It is a super-2 number, since 2×1055353143² = 2227540512879956898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055353143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055353147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1121053 + ... + 1121993.

It is an arithmetic number, because the mean of its divisors is an integer number (47971350).

Almost surely, 2^1055353143 is an apocalyptic number.

1055353143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1055353143 is a deficient number, since it is larger than the sum of its proper divisors (479730057).

1055353143 is a wasteful number, since it uses less digits than its factorization.

1055353143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1055353143 is about 32486.1992698438. The cubic root of 1055353143 is about 1018.1207043688.

Adding to 1055353143 its reverse (3413535501), we get a palindrome (4468888644).

The spelling of 1055353143 in words is "one billion, fifty-five million, three hundred fifty-three thousand, one hundred forty-three".