520312054 has 8 divisors (see below), whose sum is σ = 780564960. Its totient is φ = 260123736.

The previous prime is 520312031. The next prime is 520312061. The reversal of 520312054 is 450213025.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22387 + ... + 39265.

It is an arithmetic number, because the mean of its divisors is an integer number (97570620).

Almost surely, 2^520312054 is an apocalyptic number.

520312054 is a deficient number, since it is larger than the sum of its proper divisors (260252906).

520312054 is a wasteful number, since it uses less digits than its factorization.

520312054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32294.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 520312054 is about 22810.3497123565. The cubic root of 520312054 is about 804.3059764177.

Adding to 520312054 its reverse (450213025), we get a palindrome (970525079).

The spelling of 520312054 in words is "five hundred twenty million, three hundred twelve thousand, fifty-four".