1055313503 has 4 divisors (see below), whose sum is σ = 1055479560. Its totient is φ = 1055147448.

The previous prime is 1055313499. The next prime is 1055313551. The reversal of 1055313503 is 3053135501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3053135501 = 13 ⋅234856577.

It is a cyclic number.

It is not a de Polignac number, because 1055313503 - 2² = 1055313499 is a prime.

It is a super-2 number, since 2×1055313503² = 2227373179228262018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055213503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73100 + ... + 86337.

It is an arithmetic number, because the mean of its divisors is an integer number (263869890).

Almost surely, 2^1055313503 is an apocalyptic number.

1055313503 is a deficient number, since it is larger than the sum of its proper divisors (166057).

1055313503 is an equidigital number, since it uses as much as digits as its factorization.

1055313503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166056.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 1055313503 is about 32485.5891588871. The cubic root of 1055313503 is about 1018.1079570370.

The spelling of 1055313503 in words is "one billion, fifty-five million, three hundred thirteen thousand, five hundred three".