55526319 has 6 divisors (see below), whose sum is σ = 80204696. Its totient is φ = 37017540.

The previous prime is 55526311. The next prime is 55526321. The reversal of 55526319 is 91362555.

It is not a de Polignac number, because 55526319 - 2³ = 55526311 is a prime.

It is a super-2 number, since 2×55526319² = 6166344203379522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55526311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3084787 + ... + 3084804.

Almost surely, 2^55526319 is an apocalyptic number.

55526319 is a deficient number, since it is larger than the sum of its proper divisors (24678377).

55526319 is a wasteful number, since it uses less digits than its factorization.

55526319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169597 (or 6169594 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55526319 is about 7451.5984191313. The cubic root of 55526319 is about 381.5044674362.

The spelling of 55526319 in words is "fifty-five million, five hundred twenty-six thousand, three hundred nineteen".