53455430 has 16 divisors (see below), whose sum is σ = 109965600. Its totient is φ = 18327552.

The previous prime is 53455397. The next prime is 53455433. The reversal of 53455430 is 3455435.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53455393 and 53455402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53455433) 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, 381755 + ... + 381894.

It is an arithmetic number, because the mean of its divisors is an integer number (6872850).

Almost surely, 2^53455430 is an apocalyptic number.

53455430 is an abundant number, since it is smaller than the sum of its proper divisors (56510170).

53455430 is a wasteful number, since it uses less digits than its factorization.

53455430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763663.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53455430 is about 7311.3220418745. The cubic root of 53455430 is about 376.7014360400.

The spelling of 53455430 in words is "fifty-three million, four hundred fifty-five thousand, four hundred thirty".