53722406 has 4 divisors (see below), whose sum is σ = 80583612. Its totient is φ = 26861202.

The previous prime is 53722399. The next prime is 53722421. The reversal of 53722406 is 60422735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60422735 = 5 ⋅12084547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13430600 + ... + 13430603.

It is an arithmetic number, because the mean of its divisors is an integer number (20145903).

Almost surely, 2^53722406 is an apocalyptic number.

53722406 is a deficient number, since it is larger than the sum of its proper divisors (26861206).

53722406 is a wasteful number, since it uses less digits than its factorization.

53722406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861205.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 53722406 is about 7329.5570125349. The cubic root of 53722406 is about 377.3275232145.

The spelling of 53722406 in words is "fifty-three million, seven hundred twenty-two thousand, four hundred six".