55552358 has 4 divisors (see below), whose sum is σ = 83328540. Its totient is φ = 27776178.

The previous prime is 55552351. The next prime is 55552361. The reversal of 55552358 is 85325555.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55552351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888088 + ... + 13888091.

It is an arithmetic number, because the mean of its divisors is an integer number (20832135).

Almost surely, 2^55552358 is an apocalyptic number.

55552358 is a deficient number, since it is larger than the sum of its proper divisors (27776182).

55552358 is a wasteful number, since it uses less digits than its factorization.

55552358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27776181.

The product of its digits is 150000, while the sum is 38.

The square root of 55552358 is about 7453.3454233653. The cubic root of 55552358 is about 381.5640934692.

The spelling of 55552358 in words is "fifty-five million, five hundred fifty-two thousand, three hundred fifty-eight".