511323054 has 64 divisors (see below), whose sum is σ = 1173940992. Its totient is φ = 147052800.

The previous prime is 511323047. The next prime is 511323073. The reversal of 511323054 is 450323115.

It is a super-2 number, since 2×511323054² = 522902531103773832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97569 + ... + 102675.

It is an arithmetic number, because the mean of its divisors is an integer number (18342828).

Almost surely, 2^511323054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511323054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586970496).

511323054 is an abundant number, since it is smaller than the sum of its proper divisors (662617938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511323054 is a wasteful number, since it uses less digits than its factorization.

511323054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 511323054 is about 22612.4535157068. The cubic root of 511323054 is about 799.6472684568.

Adding to 511323054 its reverse (450323115), we get a palindrome (961646169).

The spelling of 511323054 in words is "five hundred eleven million, three hundred twenty-three thousand, fifty-four".