53400045 has 8 divisors (see below), whose sum is σ = 85440096. Its totient is φ = 28480016.

The previous prime is 53400001. The next prime is 53400059. The reversal of 53400045 is 54000435.

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 53400045 - 2⁶ = 53399981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53399994 and 53400030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779987 + ... + 1780016.

It is an arithmetic number, because the mean of its divisors is an integer number (10680012).

Almost surely, 2^53400045 is an apocalyptic number.

It is an amenable number.

53400045 is a deficient number, since it is larger than the sum of its proper divisors (32040051).

53400045 is a wasteful number, since it uses less digits than its factorization.

53400045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560011.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 53400045 is about 7307.5334415930. The cubic root of 53400045 is about 376.5712913646.

The spelling of 53400045 in words is "fifty-three million, four hundred thousand, forty-five".