55331465 has 16 divisors (see below), whose sum is σ = 77935872. Its totient is φ = 36915264.

The previous prime is 55331461. The next prime is 55331473. The reversal of 55331465 is 56413355.

It is a cyclic number.

It is not a de Polignac number, because 55331465 - 2² = 55331461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55331461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20069 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (4870992).

Almost surely, 2^55331465 is an apocalyptic number.

It is an amenable number.

55331465 is a deficient number, since it is larger than the sum of its proper divisors (22604407).

55331465 is a wasteful number, since it uses less digits than its factorization.

55331465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42776.

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

The square root of 55331465 is about 7438.5122840525. The cubic root of 55331465 is about 381.0576835298.

The spelling of 55331465 in words is "fifty-five million, three hundred thirty-one thousand, four hundred sixty-five".