55053237 has 16 divisors (see below), whose sum is σ = 76809600. Its totient is φ = 35008512.

The previous prime is 55053233. The next prime is 55053247. The reversal of 55053237 is 73235055.

It is not a de Polignac number, because 55053237 - 2² = 55053233 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053233) 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, 30093 + ... + 31869.

It is an arithmetic number, because the mean of its divisors is an integer number (4800600).

Almost surely, 2^55053237 is an apocalyptic number.

It is an amenable number.

55053237 is a deficient number, since it is larger than the sum of its proper divisors (21756363).

55053237 is a wasteful number, since it uses less digits than its factorization.

55053237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55053237 is about 7419.7868567770. The cubic root of 55053237 is about 380.4179081928.

The spelling of 55053237 in words is "fifty-five million, fifty-three thousand, two hundred thirty-seven".