1055545203 has 4 divisors (see below), whose sum is σ = 1407393608. Its totient is φ = 703696800.

The previous prime is 1055545201. The next prime is 1055545217. The reversal of 1055545203 is 3025455501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3025455501 = 3 ⋅1008485167.

It is not a de Polignac number, because 1055545203 - 2¹ = 1055545201 is a prime.

It is a super-2 number, since 2×1055545203² = 2228351351152622418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055545201) 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, 175924198 + ... + 175924203.

It is an arithmetic number, because the mean of its divisors is an integer number (351848402).

Almost surely, 2^1055545203 is an apocalyptic number.

1055545203 is a deficient number, since it is larger than the sum of its proper divisors (351848405).

1055545203 is an equidigital number, since it uses as much as digits as its factorization.

1055545203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351848404.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1055545203 is about 32489.1551598376. The cubic root of 1055545203 is about 1018.1824620225.

The spelling of 1055545203 in words is "one billion, fifty-five million, five hundred forty-five thousand, two hundred three".