55503355 has 8 divisors (see below), whose sum is σ = 66725712. Its totient is φ = 44321568.

The previous prime is 55503353. The next prime is 55503373. The reversal of 55503355 is 55330555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55503355 - 2¹ = 55503353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55503353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7044 + ... + 12673.

It is an arithmetic number, because the mean of its divisors is an integer number (8340714).

Almost surely, 2^55503355 is an apocalyptic number.

55503355 is a deficient number, since it is larger than the sum of its proper divisors (11222357).

55503355 is a wasteful number, since it uses less digits than its factorization.

55503355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20285.

The product of its (nonzero) digits is 28125, while the sum is 31.

The square root of 55503355 is about 7450.0573823293. The cubic root of 55503355 is about 381.4518672953.

The spelling of 55503355 in words is "fifty-five million, five hundred three thousand, three hundred fifty-five".