54952569 has 27 divisors (see below), whose sum is σ = 92597583. Its totient is φ = 31312512.

The previous prime is 54952561. The next prime is 54952577. The reversal of 54952569 is 96525945.

It is a happy number.

The square root of 54952569 is 7413.

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

54952569 is a `hidden beast` number, since 549 + 52 + 56 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (54952561) and next prime (54952577).

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 32626944 = 4725^2 + 5712^2 .

It is not a de Polignac number, because 54952569 - 2³ = 54952561 is a prime.

It is a super-2 number, since 2×54952569² = 6039569679399522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54952561) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 155497 + ... + 155849.

Almost surely, 2^54952569 is an apocalyptic number.

54952569 is the 7413-rd square number.

54952569 is the 3707-th centered octagonal number.

It is an amenable number.

54952569 is a deficient number, since it is larger than the sum of its proper divisors (37645014).

54952569 is an equidigital number, since it uses as much as digits as its factorization.

54952569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 363 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The cubic root of 54952569 is about 380.1858947340.

The spelling of 54952569 in words is "fifty-four million, nine hundred fifty-two thousand, five hundred sixty-nine".