530491955 has 8 divisors (see below), whose sum is σ = 727531872. Its totient is φ = 363765888.

The previous prime is 530491931. The next prime is 530491981. The reversal of 530491955 is 559194035.

It is a happy number.

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 530491955 - 2²⁶ = 463383091 is a prime.

It is a Duffinian 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, 7578422 + ... + 7578491.

It is an arithmetic number, because the mean of its divisors is an integer number (90941484).

Almost surely, 2^530491955 is an apocalyptic number.

530491955 is a deficient number, since it is larger than the sum of its proper divisors (197039917).

530491955 is a wasteful number, since it uses less digits than its factorization.

530491955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15156925.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 530491955 is about 23032.4109680250. The cubic root of 530491955 is about 809.5175478867.

The spelling of 530491955 in words is "five hundred thirty million, four hundred ninety-one thousand, nine hundred fifty-five".