54204686761 has 3 divisors (see below), whose sum is σ = 54204919581. Its totient is φ = 54204453942.

The previous prime is 54204686749. The next prime is 54204686819. The reversal of 54204686761 is 16768640245.

The square root of 54204686761 is 232819.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 54204686761 - 2¹³ = 54204678569 is a prime.

It is a super-2 number, since 2×54204686761² (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 (54204686461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 116410 + ... + 349228.

It is an arithmetic number, because the mean of its divisors is an integer number (18068306527).

Almost surely, 2^54204686761 is an apocalyptic number.

54204686761 is the 232819-th square number.

54204686761 is the 116410-th centered octagonal number.

It is an amenable number.

54204686761 is a deficient number, since it is larger than the sum of its proper divisors (232820).

54204686761 is an frugal number, since it uses more digits than its factorization.

54204686761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465638 (or 232819 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

Multiplying 54204686761 by its sum of digits (49), we get a square (2656029651289 = 1629733²).

The spelling of 54204686761 in words is "fifty-four billion, two hundred four million, six hundred eighty-six thousand, seven hundred sixty-one".