54261815026 has 8 divisors (see below), whose sum is σ = 81404874540. Its totient is φ = 27126856848.

The previous prime is 54261815021. The next prime is 54261815039. The reversal of 54261815026 is 62051816245.

It can be written as a sum of positive squares in 2 ways, for example, as 52168844025 + 2092971001 = 228405^2 + 45749^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 54261815026.

It is not an unprimeable number, because it can be changed into a prime (54261815021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008561 + ... + 2035396.

Almost surely, 2^54261815026 is an apocalyptic number.

54261815026 is a deficient number, since it is larger than the sum of its proper divisors (27143059514).

54261815026 is a wasteful number, since it uses less digits than its factorization.

54261815026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050668.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 54261815026 in words is "fifty-four billion, two hundred sixty-one million, eight hundred fifteen thousand, twenty-six".