55466331 has 4 divisors (see below), whose sum is σ = 73955112. Its totient is φ = 36977552.

The previous prime is 55466303. The next prime is 55466353. The reversal of 55466331 is 13366455.

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 55466331 - 2⁶ = 55466267 is a prime.

It is a super-2 number, since 2×55466331² = 6153027749203122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55466292 and 55466301.

It is not an unprimeable number, because it can be changed into a prime (55466381) 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, 9244386 + ... + 9244391.

It is an arithmetic number, because the mean of its divisors is an integer number (18488778).

Almost surely, 2^55466331 is an apocalyptic number.

55466331 is a deficient number, since it is larger than the sum of its proper divisors (18488781).

55466331 is a wasteful number, since it uses less digits than its factorization.

55466331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18488780.

The product of its digits is 32400, while the sum is 33.

The square root of 55466331 is about 7447.5721547361. The cubic root of 55466331 is about 381.3670314906.

The spelling of 55466331 in words is "fifty-five million, four hundred sixty-six thousand, three hundred thirty-one".