55631065 has 8 divisors (see below), whose sum is σ = 76294080. Its totient is φ = 38146992.

The previous prime is 55631057. The next prime is 55631071. The reversal of 55631065 is 56013655.

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 55631065 - 2³ = 55631057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794695 + ... + 794764.

It is an arithmetic number, because the mean of its divisors is an integer number (9536760).

Almost surely, 2^55631065 is an apocalyptic number.

It is an amenable number.

55631065 is a deficient number, since it is larger than the sum of its proper divisors (20663015).

55631065 is a wasteful number, since it uses less digits than its factorization.

55631065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589471.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55631065 is about 7458.6235325293. The cubic root of 55631065 is about 381.7442093951.

The spelling of 55631065 in words is "fifty-five million, six hundred thirty-one thousand, sixty-five".