1055415499 has 8 divisors (see below), whose sum is σ = 1066936640. Its totient is φ = 1043928000.

The previous prime is 1055415479. The next prime is 1055415523. The reversal of 1055415499 is 9945145501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055415499 - 2⁷ = 1055415371 is a prime.

It is a super-2 number, since 2×1055415499² = 2227803751058838002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055415469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57454 + ... + 73564.

It is an arithmetic number, because the mean of its divisors is an integer number (133367080).

Almost surely, 2^1055415499 is an apocalyptic number.

1055415499 is a deficient number, since it is larger than the sum of its proper divisors (11521141).

1055415499 is a wasteful number, since it uses less digits than its factorization.

1055415499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16821.

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 1055415499 is about 32487.1589862826. The cubic root of 1055415499 is about 1018.1407560089.

The spelling of 1055415499 in words is "one billion, fifty-five million, four hundred fifteen thousand, four hundred ninety-nine".