990364055 has 8 divisors (see below), whose sum is σ = 1199975712. Its totient is φ = 784598688.

The previous prime is 990364043. The next prime is 990364079. The reversal of 990364055 is 550463099.

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 990364055 - 2⁶ = 990363991 is a prime.

It is a super-2 number, since 2×990364055² = 1961641922872086050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961004 + ... + 962033.

It is an arithmetic number, because the mean of its divisors is an integer number (149996964).

Almost surely, 2^990364055 is an apocalyptic number.

990364055 is a deficient number, since it is larger than the sum of its proper divisors (209611657).

990364055 is a wasteful number, since it uses less digits than its factorization.

990364055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923145.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 990364055 is about 31470.0501270653. The cubic root of 990364055 is about 996.7776459207. Note that the first 3 decimals are identical.

The spelling of 990364055 in words is "nine hundred ninety million, three hundred sixty-four thousand, fifty-five".