55933555 has 4 divisors (see below), whose sum is σ = 67120272. Its totient is φ = 44746840.

The previous prime is 55933541. The next prime is 55933561. The reversal of 55933555 is 55533955.

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

It is not a de Polignac number, because 55933555 - 2¹¹ = 55931507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5593351 + ... + 5593360.

It is an arithmetic number, because the mean of its divisors is an integer number (16780068).

Almost surely, 2^55933555 is an apocalyptic number.

55933555 is a deficient number, since it is larger than the sum of its proper divisors (11186717).

55933555 is a wasteful number, since it uses less digits than its factorization.

55933555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186716.

The product of its digits is 253125, while the sum is 40.

The square root of 55933555 is about 7478.8739125620. The cubic root of 55933555 is about 382.4348615351.

The spelling of 55933555 in words is "fifty-five million, nine hundred thirty-three thousand, five hundred fifty-five".