1055499997 has 4 divisors (see below), whose sum is σ = 1089548416. Its totient is φ = 1021451580.

The previous prime is 1055499983. The next prime is 1055500007. The reversal of 1055499997 is 7999945501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7999945501 = 1487 ⋅5379923.

It is a cyclic number.

It is not a de Polignac number, because 1055499997 - 2¹⁵ = 1055467229 is a prime.

It is a super-3 number, since 3×1055499997³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055499947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17024163 + ... + 17024224.

It is an arithmetic number, because the mean of its divisors is an integer number (272387104).

Almost surely, 2^1055499997 is an apocalyptic number.

It is an amenable number.

1055499997 is a deficient number, since it is larger than the sum of its proper divisors (34048419).

1055499997 is an equidigital number, since it uses as much as digits as its factorization.

1055499997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34048418.

The product of its (nonzero) digits is 4592700, while the sum is 58.

The square root of 1055499997 is about 32488.4594433162. The cubic root of 1055499997 is about 1018.1679265283.

The spelling of 1055499997 in words is "one billion, fifty-five million, four hundred ninety-nine thousand, nine hundred ninety-seven".