1055240553 has 16 divisors (see below), whose sum is σ = 1448119296. Its totient is φ = 683224080.

The previous prime is 1055240539. The next prime is 1055240567. The reversal of 1055240553 is 3550425501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1055240539) and next prime (1055240567).

It is not a de Polignac number, because 1055240553 - 2¹⁰ = 1055239529 is a prime.

It is a super-2 number, since 2×1055240553² = 2227065249391491618, 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 1055240553.

It is not an unprimeable number, because it can be changed into a prime (1055240453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22701 + ... + 51242.

It is an arithmetic number, because the mean of its divisors is an integer number (90507456).

Almost surely, 2^1055240553 is an apocalyptic number.

It is an amenable number.

1055240553 is a deficient number, since it is larger than the sum of its proper divisors (392878743).

1055240553 is an equidigital number, since it uses as much as digits as its factorization.

1055240553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74084.

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

The square root of 1055240553 is about 32484.4663339264. The cubic root of 1055240553 is about 1018.0844971246.

The spelling of 1055240553 in words is "one billion, fifty-five million, two hundred forty thousand, five hundred fifty-three".