55305451 has 8 divisors (see below), whose sum is σ = 56332800. Its totient is φ = 54286440.

The previous prime is 55305443. The next prime is 55305461. The reversal of 55305451 is 15450355.

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 55305451 - 2³ = 55305443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55305431) 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, 12186 + ... + 16096.

It is an arithmetic number, because the mean of its divisors is an integer number (7041600).

Almost surely, 2^55305451 is an apocalyptic number.

55305451 is a deficient number, since it is larger than the sum of its proper divisors (1027349).

55305451 is a wasteful number, since it uses less digits than its factorization.

55305451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 55305451 is about 7436.7634761366. The cubic root of 55305451 is about 380.9979562812.

The spelling of 55305451 in words is "fifty-five million, three hundred five thousand, four hundred fifty-one".