52421086 has 8 divisors (see below), whose sum is σ = 78683904. Its totient is φ = 26193120.

The previous prime is 52421069. The next prime is 52421107. The reversal of 52421086 is 68012425.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4555 + ... + 11206.

It is an arithmetic number, because the mean of its divisors is an integer number (9835488).

Almost surely, 2^52421086 is an apocalyptic number.

52421086 is a deficient number, since it is larger than the sum of its proper divisors (26262818).

52421086 is a wasteful number, since it uses less digits than its factorization.

52421086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17426.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 52421086 is about 7240.2407418538. The cubic root of 52421086 is about 374.2559135746.

It can be divided in two parts, 5242 and 1086, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 52421086 in words is "fifty-two million, four hundred twenty-one thousand, eighty-six".