53725851 has 12 divisors (see below), whose sum is σ = 78198120. Its totient is φ = 35543040.

The previous prime is 53725849. The next prime is 53725853. The reversal of 53725851 is 15852735.

53725851 is a `hidden beast` number, since 5 + 3 + 72 + 585 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (53725849) and next prime (53725853).

It is not a de Polignac number, because 53725851 - 2¹ = 53725849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53725853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21606 + ... + 23963.

It is an arithmetic number, because the mean of its divisors is an integer number (6516510).

Almost surely, 2^53725851 is an apocalyptic number.

53725851 is a deficient number, since it is larger than the sum of its proper divisors (24472269).

53725851 is a wasteful number, since it uses less digits than its factorization.

53725851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45706 (or 45703 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 53725851 is about 7329.7920161489. The cubic root of 53725851 is about 377.3355885366.

It can be divided in two parts, 53 and 725851, that added together give a square (725904 = 852²).

The spelling of 53725851 in words is "fifty-three million, seven hundred twenty-five thousand, eight hundred fifty-one".