55432345 has 8 divisors (see below), whose sum is σ = 66608064. Its totient is φ = 44286384.

The previous prime is 55432343. The next prime is 55432357. The reversal of 55432345 is 54323455.

It is a happy number.

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 55432345 - 2¹ = 55432343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55432343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (8326008).

Almost surely, 2^55432345 is an apocalyptic number.

It is an amenable number.

55432345 is a deficient number, since it is larger than the sum of its proper divisors (11175719).

55432345 is a wasteful number, since it uses less digits than its factorization.

55432345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14879.

The product of its digits is 36000, while the sum is 31.

The square root of 55432345 is about 7445.2901219496. The cubic root of 55432345 is about 381.2891236389.

The spelling of 55432345 in words is "fifty-five million, four hundred thirty-two thousand, three hundred forty-five".