54623505 has 16 divisors (see below), whose sum is σ = 91198080. Its totient is φ = 27865728.

The previous prime is 54623489. The next prime is 54623509. The reversal of 54623505 is 50532645.

It is not a de Polignac number, because 54623505 - 2⁴ = 54623489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54623509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78820 + ... + 79509.

It is an arithmetic number, because the mean of its divisors is an integer number (5699880).

Almost surely, 2^54623505 is an apocalyptic number.

It is an amenable number.

54623505 is a deficient number, since it is larger than the sum of its proper divisors (36574575).

54623505 is a wasteful number, since it uses less digits than its factorization.

54623505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158360.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 54623505 is about 7390.7716105966. The cubic root of 54623505 is about 379.4255054003.

The spelling of 54623505 in words is "fifty-four million, six hundred twenty-three thousand, five hundred five".