54213769 has 9 divisors (see below), whose sum is σ = 56000007. Its totient is φ = 52483464.

The previous prime is 54213739. The next prime is 54213773. The reversal of 54213769 is 96731245.

The square root of 54213769 is 7363.

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., 48511225 + 5702544 = 6965^2 + 2388^2 .

It is not a de Polignac number, because 54213769 - 2¹⁷ = 54082697 is a prime.

It is a super-2 number, since 2×54213769² = 5878265498370722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54213739) 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, 272332 + ... + 272530.

It is an arithmetic number, because the mean of its divisors is an integer number (6222223).

Almost surely, 2^54213769 is an apocalyptic number.

54213769 is the 7363-rd square number.

54213769 is the 3682-nd centered octagonal number.

It is an amenable number.

54213769 is a deficient number, since it is larger than the sum of its proper divisors (1786238).

54213769 is an frugal number, since it uses more digits than its factorization.

54213769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 236 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The cubic root of 54213769 is about 378.4744213429.

The spelling of 54213769 in words is "fifty-four million, two hundred thirteen thousand, seven hundred sixty-nine".