55031366 has 8 divisors (see below), whose sum is σ = 88896864. Its totient is φ = 25399080.

The previous prime is 55031311. The next prime is 55031371. The reversal of 55031366 is 66313055.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058270 + ... + 1058321.

It is an arithmetic number, because the mean of its divisors is an integer number (11112108).

Almost surely, 2^55031366 is an apocalyptic number.

55031366 is a deficient number, since it is larger than the sum of its proper divisors (33865498).

55031366 is a wasteful number, since it uses less digits than its factorization.

55031366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116606.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 55031366 is about 7418.3128809723. The cubic root of 55031366 is about 380.3675253117.

The spelling of 55031366 in words is "fifty-five million, thirty-one thousand, three hundred sixty-six".