55252507569 has 8 divisors (see below), whose sum is σ = 84194297280. Its totient is φ = 31572861456.

The previous prime is 55252507511. The next prime is 55252507589. The reversal of 55252507569 is 96570525255.

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

It is not a de Polignac number, because 55252507569 - 2²¹ = 55250410417 is a prime.

It is a super-2 number, since 2×55252507569² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55252507589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315535874 + ... + 1315535915.

It is an arithmetic number, because the mean of its divisors is an integer number (10524287160).

Almost surely, 2^55252507569 is an apocalyptic number.

It is an amenable number.

55252507569 is a deficient number, since it is larger than the sum of its proper divisors (28941789711).

55252507569 is a wasteful number, since it uses less digits than its factorization.

55252507569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631071799.

The product of its (nonzero) digits is 4725000, while the sum is 51.

The spelling of 55252507569 in words is "fifty-five billion, two hundred fifty-two million, five hundred seven thousand, five hundred sixty-nine".