55848765521 has 8 divisors (see below), whose sum is σ = 56739957120. Its totient is φ = 54962180208.

The previous prime is 55848765503. The next prime is 55848765607. The reversal of 55848765521 is 12556784855.

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

It is a cyclic number.

It is not a de Polignac number, because 55848765521 - 2¹⁴ = 55848749137 is a prime.

It is a super-2 number, since 2×55848765521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55868765521) 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, 1127126 + ... + 1175631.

It is an arithmetic number, because the mean of its divisors is an integer number (7092494640).

Almost surely, 2^55848765521 is an apocalyptic number.

It is an amenable number.

55848765521 is a deficient number, since it is larger than the sum of its proper divisors (891191599).

55848765521 is a wasteful number, since it uses less digits than its factorization.

55848765521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303143.

The product of its digits is 13440000, while the sum is 56.

The spelling of 55848765521 in words is "fifty-five billion, eight hundred forty-eight million, seven hundred sixty-five thousand, five hundred twenty-one".