5215442454 has 48 divisors (see below), whose sum is σ = 11476299744. Its totient is φ = 1711584000.

The previous prime is 5215442443. The next prime is 5215442501. The reversal of 5215442454 is 4542445125.

5215442454 is a `hidden beast` number, since 52 + 154 + 4 + 2 + 454 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298644 + ... + 315624.

It is an arithmetic number, because the mean of its divisors is an integer number (239089578).

Almost surely, 2^5215442454 is an apocalyptic number.

5215442454 is an abundant number, since it is smaller than the sum of its proper divisors (6260857290).

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

5215442454 is a wasteful number, since it uses less digits than its factorization.

5215442454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17253 (or 17250 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 5215442454 is about 72218.0202857985. The cubic root of 5215442454 is about 1734.1914975507.

Adding to 5215442454 its reverse (4542445125), we get a palindrome (9757887579).

The spelling of 5215442454 in words is "five billion, two hundred fifteen million, four hundred forty-two thousand, four hundred fifty-four".