55772532726453 has 64 divisors (see below), whose sum is σ = 87485836723200. Its totient is φ = 35018325725760.

The previous prime is 55772532726311. The next prime is 55772532726481. The reversal of 55772532726453 is 35462723527755.

It is a happy number.

55772532726453 is a `hidden beast` number, since 5 + 5 + 7 + 7 + 253 + 272 + 64 + 53 = 666.

It is not a de Polignac number, because 55772532726453 - 2²¹ = 55772530629301 is a prime.

It is a super-2 number, since 2×55772532726453² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55772532725453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62507758 + ... + 63393728.

It is an arithmetic number, because the mean of its divisors is an integer number (1366966198800).

Almost surely, 2^{55772532726453} is an apocalyptic number.

It is an amenable number.

55772532726453 is a deficient number, since it is larger than the sum of its proper divisors (31713303996747).

55772532726453 is a wasteful number, since it uses less digits than its factorization.

55772532726453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886719 (or 886713 counting only the distinct ones).

The product of its digits is 370440000, while the sum is 63.

The spelling of 55772532726453 in words is "fifty-five trillion, seven hundred seventy-two billion, five hundred thirty-two million, seven hundred twenty-six thousand, four hundred fifty-three".