55383469 has 2 divisors, whose sum is σ = 55383470. Its totient is φ = 55383468.

The previous prime is 55383443. The next prime is 55383509. The reversal of 55383469 is 96438355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 12638025 = 6538^2 + 3555^2 .

It is a cyclic number.

It is not a de Polignac number, because 55383469 - 2¹¹ = 55381421 is a prime.

It is a super-2 number, since 2×55383469² = 6134657276947922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55383439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27691734 + 27691735.

It is an arithmetic number, because the mean of its divisors is an integer number (27691735).

Almost surely, 2^55383469 is an apocalyptic number.

It is an amenable number.

55383469 is a deficient number, since it is larger than the sum of its proper divisors (1).

55383469 is an equidigital number, since it uses as much as digits as its factorization.

55383469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The square root of 55383469 is about 7442.0070545519. The cubic root of 55383469 is about 381.1770268289.

It can be divided in two parts, 5538346 and 9, that added together give a palindrome (5538355).

The spelling of 55383469 in words is "fifty-five million, three hundred eighty-three thousand, four hundred sixty-nine".