55033337 has 4 divisors (see below), whose sum is σ = 55538340. Its totient is φ = 54528336.

The previous prime is 55033333. The next prime is 55033343. The reversal of 55033337 is 73333055.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43309561 + 11723776 = 6581^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 55033337 - 2² = 55033333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55033333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252338 + ... + 252555.

It is an arithmetic number, because the mean of its divisors is an integer number (13884585).

Almost surely, 2^55033337 is an apocalyptic number.

It is an amenable number.

55033337 is a deficient number, since it is larger than the sum of its proper divisors (505003).

55033337 is a wasteful number, since it uses less digits than its factorization.

55033337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505002.

The product of its (nonzero) digits is 14175, while the sum is 29.

The square root of 55033337 is about 7418.4457267004. The cubic root of 55033337 is about 380.3720663307.

The spelling of 55033337 in words is "fifty-five million, thirty-three thousand, three hundred thirty-seven".