52021607 has 8 divisors (see below), whose sum is σ = 59218560. Its totient is φ = 45235960.

The previous prime is 52021583. The next prime is 52021609. The reversal of 52021607 is 70612025.

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

It is not a de Polignac number, because 52021607 - 2²² = 47827303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102557 + ... + 103062.

It is an arithmetic number, because the mean of its divisors is an integer number (7402320).

Almost surely, 2^52021607 is an apocalyptic number.

52021607 is a deficient number, since it is larger than the sum of its proper divisors (7196953).

52021607 is a wasteful number, since it uses less digits than its factorization.

52021607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205653.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 52021607 is about 7212.6005712226. The cubic root of 52021607 is about 373.3028061951.

The spelling of 52021607 in words is "fifty-two million, twenty-one thousand, six hundred seven".