54902581969 has 9 divisors (see below), whose sum is σ = 55970685169. Its totient is φ = 53854499920.

The previous prime is 54902581939. The next prime is 54902582003. The reversal of 54902581969 is 96918520945.

The square root of 54902581969 is 234313.

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

54902581969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16989819025 + 37912762944 = 130345^2 + 194712^2 .

It is not a de Polignac number, because 54902581969 - 2²⁵ = 54869027537 is a prime.

It is a super-2 number, since 2×54902581969² (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 (54902581939) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12416379 + ... + 12420799.

Almost surely, 2^54902581969 is an apocalyptic number.

54902581969 is the 234313-rd square number.

54902581969 is the 117157-th centered octagonal number.

It is an amenable number.

54902581969 is a deficient number, since it is larger than the sum of its proper divisors (1068103200).

54902581969 is an frugal number, since it uses more digits than its factorization.

54902581969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 54902581969 in words is "fifty-four billion, nine hundred two million, five hundred eighty-one thousand, nine hundred sixty-nine".