1055865524 has 54 divisors (see below), whose sum is σ = 2228730210. Its totient is φ = 435896160.

The previous prime is 1055865521. The next prime is 1055865527. The reversal of 1055865524 is 4255685501.

It is an interprime number because it is at equal distance from previous prime (1055865521) and next prime (1055865527).

It can be written as a sum of positive squares in only one way, i.e., 910228900 + 145636624 = 30170^2 + 12068^2 .

It is a super-2 number, since 2×1055865524² = 2229704009543589152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055865521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2449589 + ... + 2450019.

Almost surely, 2^1055865524 is an apocalyptic number.

1055865524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055865524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114365105).

1055865524 is an abundant number, since it is smaller than the sum of its proper divisors (1172864686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055865524 is an equidigital number, since it uses as much as digits as its factorization.

1055865524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

The square root of 1055865524 is about 32494.0844462496. The cubic root of 1055865524 is about 1018.2854458448.

The spelling of 1055865524 in words is "one billion, fifty-five million, eight hundred sixty-five thousand, five hundred twenty-four".