53527585551 has 48 divisors (see below), whose sum is σ = 83033233920. Its totient is φ = 30412472320.

The previous prime is 53527585543. The next prime is 53527585561. The reversal of 53527585551 is 15558572535.

It is not a de Polignac number, because 53527585551 - 2³ = 53527585543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 53527585494 and 53527585503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53527585561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2440090 + ... + 2461928.

It is an arithmetic number, because the mean of its divisors is an integer number (1729859040).

Almost surely, 2^53527585551 is an apocalyptic number.

53527585551 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

53527585551 is a deficient number, since it is larger than the sum of its proper divisors (29505648369).

53527585551 is a wasteful number, since it uses less digits than its factorization.

53527585551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144 (or 22127 counting only the distinct ones).

The product of its digits is 5250000, while the sum is 51.

The spelling of 53527585551 in words is "fifty-three billion, five hundred twenty-seven million, five hundred eighty-five thousand, five hundred fifty-one".