55333893 has 16 divisors (see below), whose sum is σ = 76124096. Its totient is φ = 35735040.

The previous prime is 55333849. The next prime is 55333903. The reversal of 55333893 is 39833355.

It is not a de Polignac number, because 55333893 - 2⁶ = 55333829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55333813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10005 + ... + 14517.

It is an arithmetic number, because the mean of its divisors is an integer number (4757756).

Almost surely, 2^55333893 is an apocalyptic number.

It is an amenable number.

55333893 is a deficient number, since it is larger than the sum of its proper divisors (20790203).

55333893 is a wasteful number, since it uses less digits than its factorization.

55333893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644.

The product of its digits is 145800, while the sum is 39.

The square root of 55333893 is about 7438.6754869399. The cubic root of 55333893 is about 381.0632571790.

The spelling of 55333893 in words is "fifty-five million, three hundred thirty-three thousand, eight hundred ninety-three".