55535454 has 24 divisors (see below), whose sum is σ = 129583272. Its totient is φ = 17087760.

The previous prime is 55535371. The next prime is 55535503. The reversal of 55535454 is 45453555.

55535454 is a `hidden beast` number, since 5 + 553 + 54 + 54 = 666.

It is a super-2 number, since 2×55535454² = 6168373301972232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118432 + ... + 118899.

It is an arithmetic number, because the mean of its divisors is an integer number (5399303).

Almost surely, 2^55535454 is an apocalyptic number.

55535454 is an abundant number, since it is smaller than the sum of its proper divisors (74047818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55535454 is a wasteful number, since it uses less digits than its factorization.

55535454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237352 (or 237349 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 55535454 is about 7452.2113496599. The cubic root of 55535454 is about 381.5253875589.

The spelling of 55535454 in words is "fifty-five million, five hundred thirty-five thousand, four hundred fifty-four".