55455355 has 4 divisors (see below), whose sum is σ = 66546432. Its totient is φ = 44364280.

The previous prime is 55455353. The next prime is 55455359. The reversal of 55455355 is 55355455.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55455355 - 2¹ = 55455353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55455353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545531 + ... + 5545540.

It is an arithmetic number, because the mean of its divisors is an integer number (16636608).

Almost surely, 2^55455355 is an apocalyptic number.

55455355 is a deficient number, since it is larger than the sum of its proper divisors (11091077).

55455355 is a wasteful number, since it uses less digits than its factorization.

55455355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091076.

The product of its digits is 187500, while the sum is 37.

The square root of 55455355 is about 7446.8352338426. The cubic root of 55455355 is about 381.3418741227.

The spelling of 55455355 in words is "fifty-five million, four hundred fifty-five thousand, three hundred fifty-five".