1055531415 has 32 divisors (see below), whose sum is σ = 1839052800. Its totient is φ = 514926720.

The previous prime is 1055531359. The next prime is 1055531423. The reversal of 1055531415 is 5141355501.

It is not a de Polignac number, because 1055531415 - 2¹⁴ = 1055515031 is a prime.

It is a super-2 number, since 2×1055531415² = 2228293136103804450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55591 + ... + 72120.

It is an arithmetic number, because the mean of its divisors is an integer number (57470400).

Almost surely, 2^1055531415 is an apocalyptic number.

1055531415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055531415 is a deficient number, since it is larger than the sum of its proper divisors (783521385).

1055531415 is a wasteful number, since it uses less digits than its factorization.

1055531415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127767.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1055531415 is about 32488.9429652613. The cubic root of 1055531415 is about 1018.1780286861.

Adding to 1055531415 its reverse (5141355501), we get a palindrome (6196886916).

The spelling of 1055531415 in words is "one billion, fifty-five million, five hundred thirty-one thousand, four hundred fifteen".