55234252520 has 64 divisors (see below), whose sum is σ = 129715482240. Its totient is φ = 21127392000.

The previous prime is 55234252519. The next prime is 55234252523. The reversal of 55234252520 is 2525243255.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55234252523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5239655 + ... + 5250185.

It is an arithmetic number, because the mean of its divisors is an integer number (2026804410).

Almost surely, 2^55234252520 is an apocalyptic number.

It is an amenable number.

55234252520 is an abundant number, since it is smaller than the sum of its proper divisors (74481229720).

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

55234252520 is a wasteful number, since it uses less digits than its factorization.

55234252520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16266 (or 16262 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

Adding to 55234252520 its reverse (2525243255), we get a palindrome (57759495775).

The spelling of 55234252520 in words is "fifty-five billion, two hundred thirty-four million, two hundred fifty-two thousand, five hundred twenty".