515016054 has 48 divisors (see below), whose sum is σ = 1350299808. Its totient is φ = 138491136.

The previous prime is 515016053. The next prime is 515016091. The reversal of 515016054 is 450610515.

It is a happy number.

515016054 is a `hidden beast` number, since 5 + 1 + 50 + 1 + 605 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515016053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118077 + ... + 122360.

It is an arithmetic number, because the mean of its divisors is an integer number (28131246).

Almost surely, 2^515016054 is an apocalyptic number.

515016054 is an abundant number, since it is smaller than the sum of its proper divisors (835283754).

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

515016054 is a wasteful number, since it uses less digits than its factorization.

515016054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240469 (or 240466 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 515016054 is about 22693.9651449455. The cubic root of 515016054 is about 801.5677870062.

Adding to 515016054 its reverse (450610515), we get a palindrome (965626569).

It can be divided in two parts, 51 and 5016054, that added together give a palindrome (5016105).

The spelling of 515016054 in words is "five hundred fifteen million, sixteen thousand, fifty-four".