1055587899 has 8 divisors (see below), whose sum is σ = 1437396480. Its totient is φ = 688752296.

The previous prime is 1055587889. The next prime is 1055587901. The reversal of 1055587899 is 9987855501.

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 1055587899 - 2¹² = 1055583803 is a prime.

It is a super-2 number, since 2×1055587899² = 2228531625030468402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055587889) 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, 3743079 + ... + 3743360.

It is an arithmetic number, because the mean of its divisors is an integer number (179674560).

Almost surely, 2^1055587899 is an apocalyptic number.

1055587899 is a deficient number, since it is larger than the sum of its proper divisors (381808581).

1055587899 is an equidigital number, since it uses as much as digits as its factorization.

1055587899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7486489.

The product of its (nonzero) digits is 4536000, while the sum is 57.

The square root of 1055587899 is about 32489.8122339911. The cubic root of 1055587899 is about 1018.1961900726.

The spelling of 1055587899 in words is "one billion, fifty-five million, five hundred eighty-seven thousand, eight hundred ninety-nine".