54922787602081 has 81 divisors (see below), whose sum is σ = 67419616905459. Its totient is φ = 44608237027200.

The previous prime is 54922787602057. The next prime is 54922787602093. The reversal of 54922787602081 is 18020678722945.

It is a happy number.

The square root of 54922787602081 is 7410991.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41305801987681 + 13616985614400 = 6426959^2 + 3690120^2 .

It is not a de Polignac number, because 54922787602081 - 2¹¹ = 54922787600033 is a prime.

It is a super-2 number, since 2×54922787602081² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54922787602481) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 227895384121 + ... + 227895384361.

Almost surely, 2^{54922787602081} is an apocalyptic number.

54922787602081 is the 7410991-st square number.

54922787602081 is the 3705496-th centered octagonal number.

It is an amenable number.

54922787602081 is a deficient number, since it is larger than the sum of its proper divisors (12496829303378).

54922787602081 is an frugal number, since it uses more digits than its factorization.

54922787602081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 54922787602081 in words is "fifty-four trillion, nine hundred twenty-two billion, seven hundred eighty-seven million, six hundred two thousand, eighty-one".