52421067 has 16 divisors (see below), whose sum is σ = 80340000. Its totient is φ = 33741792.

The previous prime is 52421063. The next prime is 52421069. The reversal of 52421067 is 76012425.

It is not a de Polignac number, because 52421067 - 2² = 52421063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 52421067.

It is not an unprimeable number, because it can be changed into a prime (52421063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32692 + ... + 34257.

It is an arithmetic number, because the mean of its divisors is an integer number (5021250).

Almost surely, 2^52421067 is an apocalyptic number.

52421067 is a deficient number, since it is larger than the sum of its proper divisors (27918933).

52421067 is a wasteful number, since it uses less digits than its factorization.

52421067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66987 (or 66981 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52421067 is about 7240.2394297426. The cubic root of 52421067 is about 374.2558683583.

The spelling of 52421067 in words is "fifty-two million, four hundred twenty-one thousand, sixty-seven".