55533337 has 8 divisors (see below), whose sum is σ = 58003200. Its totient is φ = 53114544.

The previous prime is 55533329. The next prime is 55533341. The reversal of 55533337 is 73333555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55533337 - 2³ = 55533329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55533397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10537 + ... + 14902.

It is an arithmetic number, because the mean of its divisors is an integer number (7250400).

Almost surely, 2^55533337 is an apocalyptic number.

It is an amenable number.

55533337 is a deficient number, since it is larger than the sum of its proper divisors (2469863).

55533337 is a wasteful number, since it uses less digits than its factorization.

55533337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25535.

The product of its digits is 70875, while the sum is 34.

The square root of 55533337 is about 7452.0693099300. The cubic root of 55533337 is about 381.5205396077.

The spelling of 55533337 in words is "fifty-five million, five hundred thirty-three thousand, three hundred thirty-seven".