52421601 has 16 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 33978000.

The previous prime is 52421573. The next prime is 52421609. The reversal of 52421601 is 10612425.

It is not a de Polignac number, because 52421601 - 2⁵ = 52421569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52421609) 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, 31570 + ... + 33188.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^52421601 is an apocalyptic number.

It is an amenable number.

52421601 is a deficient number, since it is larger than the sum of its proper divisors (19428639).

52421601 is a wasteful number, since it uses less digits than its factorization.

52421601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 52421601 is about 7240.2763068822. The cubic root of 52421601 is about 374.2571391703.

The spelling of 52421601 in words is "fifty-two million, four hundred twenty-one thousand, six hundred one".