55453315 has 4 divisors (see below), whose sum is σ = 66543984. Its totient is φ = 44362648.

The previous prime is 55453291. The next prime is 55453367. The reversal of 55453315 is 51335455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51335455 = 5 ⋅10267091.

It is a cyclic number.

It is not a de Polignac number, because 55453315 - 2¹⁹ = 54929027 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545327 + ... + 5545336.

It is an arithmetic number, because the mean of its divisors is an integer number (16635996).

Almost surely, 2^55453315 is an apocalyptic number.

55453315 is a deficient number, since it is larger than the sum of its proper divisors (11090669).

55453315 is a wasteful number, since it uses less digits than its factorization.

55453315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090668.

The product of its digits is 22500, while the sum is 31.

The square root of 55453315 is about 7446.6982616459. The cubic root of 55453315 is about 381.3371980071.

The spelling of 55453315 in words is "fifty-five million, four hundred fifty-three thousand, three hundred fifteen".