1055591520 has 192 divisors, whose sum is σ = 3432844800. Its totient is φ = 272498688.

The previous prime is 1055591507. The next prime is 1055591549. The reversal of 1055591520 is 251955501.

1055591520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055591520² = 2228546914191820800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4107232 + ... + 4107488.

It is an arithmetic number, because the mean of its divisors is an integer number (17879400).

Almost surely, 2^1055591520 is an apocalyptic number.

1055591520 is a gapful number since it is divisible by the number (10) 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 1055591520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716422400).

1055591520 is an abundant number, since it is smaller than the sum of its proper divisors (2377253280).

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

1055591520 is a wasteful number, since it uses less digits than its factorization.

1055591520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 33.

The square root of 1055591520 is about 32489.8679591038. The cubic root of 1055591520 is about 1018.1973543161.

The spelling of 1055591520 in words is "one billion, fifty-five million, five hundred ninety-one thousand, five hundred twenty".