55456331 has 8 divisors (see below), whose sum is σ = 63442944. Its totient is φ = 47485800.

The previous prime is 55456319. The next prime is 55456337. The reversal of 55456331 is 13365455.

55456331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55456331 - 2⁶ = 55456267 is a prime.

It is a super-2 number, since 2×55456331² = 6150809295963122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55456337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4616 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (7930368).

Almost surely, 2^55456331 is an apocalyptic number.

55456331 is a deficient number, since it is larger than the sum of its proper divisors (7986613).

55456331 is a wasteful number, since it uses less digits than its factorization.

55456331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8041.

The product of its digits is 27000, while the sum is 32.

The square root of 55456331 is about 7446.9007647477. The cubic root of 55456331 is about 381.3441112826.

The spelling of 55456331 in words is "fifty-five million, four hundred fifty-six thousand, three hundred thirty-one".