55233455 has 4 divisors (see below), whose sum is σ = 66280152. Its totient is φ = 44186760.

The previous prime is 55233427. The next prime is 55233469. The reversal of 55233455 is 55433255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55433255 = 5 ⋅11086651.

It is not a de Polignac number, because 55233455 - 2¹⁰ = 55232431 is a prime.

It is a Duffinian number.

It is a congruent 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, 5523341 + ... + 5523350.

It is an arithmetic number, because the mean of its divisors is an integer number (16570038).

Almost surely, 2^55233455 is an apocalyptic number.

55233455 is a deficient number, since it is larger than the sum of its proper divisors (11046697).

55233455 is a wasteful number, since it uses less digits than its factorization.

55233455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046696.

The product of its digits is 45000, while the sum is 32.

The square root of 55233455 is about 7431.9213531899. The cubic root of 55233455 is about 380.8325582369.

The spelling of 55233455 in words is "fifty-five million, two hundred thirty-three thousand, four hundred fifty-five".