55631267 has 4 divisors (see below), whose sum is σ = 57425856. Its totient is φ = 53836680.

The previous prime is 55631263. The next prime is 55631287. The reversal of 55631267 is 76213655.

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

It is a cyclic number.

It is not a de Polignac number, because 55631267 - 2² = 55631263 is a prime.

It is a super-3 number, since 3×55631267³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55631263) 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, 897248 + ... + 897309.

It is an arithmetic number, because the mean of its divisors is an integer number (14356464).

Almost surely, 2^55631267 is an apocalyptic number.

55631267 is a deficient number, since it is larger than the sum of its proper divisors (1794589).

55631267 is a wasteful number, since it uses less digits than its factorization.

55631267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794588.

The product of its digits is 37800, while the sum is 35.

The square root of 55631267 is about 7458.6370738896. The cubic root of 55631267 is about 381.7446714405.

The spelling of 55631267 in words is "fifty-five million, six hundred thirty-one thousand, two hundred sixty-seven".