53723408 has 20 divisors (see below), whose sum is σ = 106903500. Its totient is φ = 26135424.

The previous prime is 53723387. The next prime is 53723419. The reversal of 53723408 is 80432735.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45589504 + 8133904 = 6752^2 + 2852^2 .

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, 44783 + ... + 45966.

It is an arithmetic number, because the mean of its divisors is an integer number (5345175).

Almost surely, 2^53723408 is an apocalyptic number.

It is an amenable number.

53723408 is a deficient number, since it is larger than the sum of its proper divisors (53180092).

53723408 is a wasteful number, since it uses less digits than its factorization.

53723408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90794 (or 90788 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53723408 is about 7329.6253655968. The cubic root of 53723408 is about 377.3298690999.

The spelling of 53723408 in words is "fifty-three million, seven hundred twenty-three thousand, four hundred eight".