55712237 has 8 divisors (see below), whose sum is σ = 67022400. Its totient is φ = 45239904.

The previous prime is 55712231. The next prime is 55712243. The reversal of 55712237 is 73221755.

It is an interprime number because it is at equal distance from previous prime (55712231) and next prime (55712243).

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 55712237 - 2¹⁰ = 55711213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712231) 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, 209312 + ... + 209577.

It is an arithmetic number, because the mean of its divisors is an integer number (8377800).

Almost surely, 2^55712237 is an apocalyptic number.

It is an amenable number.

55712237 is a deficient number, since it is larger than the sum of its proper divisors (11310163).

55712237 is a wasteful number, since it uses less digits than its factorization.

55712237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418915.

The product of its digits is 14700, while the sum is 32.

The square root of 55712237 is about 7464.0630356395. The cubic root of 55712237 is about 381.9297884537.

The spelling of 55712237 in words is "fifty-five million, seven hundred twelve thousand, two hundred thirty-seven".