53438402 has 8 divisors (see below), whose sum is σ = 80477712. Its totient is φ = 26612500.

The previous prime is 53438401. The next prime is 53438423. The reversal of 53438402 is 20483435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×53438402³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53438401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52724 + ... + 53727.

It is an arithmetic number, because the mean of its divisors is an integer number (10059714).

Almost surely, 2^53438402 is an apocalyptic number.

53438402 is a deficient number, since it is larger than the sum of its proper divisors (27039310).

53438402 is a wasteful number, since it uses less digits than its factorization.

53438402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106704.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 53438402 is about 7310.1574538446. The cubic root of 53438402 is about 376.6614329117.

The spelling of 53438402 in words is "fifty-three million, four hundred thirty-eight thousand, four hundred two".