52021464 has 64 divisors (see below), whose sum is σ = 143354880. Its totient is φ = 15600000.

The previous prime is 52021451. The next prime is 52021477. The reversal of 52021464 is 46412025.

It is an interprime number because it is at equal distance from previous prime (52021451) and next prime (52021477).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25689 + ... + 27639.

It is an arithmetic number, because the mean of its divisors is an integer number (2239920).

Almost surely, 2^52021464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52021464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71677440).

52021464 is an abundant number, since it is smaller than the sum of its proper divisors (91333416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52021464 is a wasteful number, since it uses less digits than its factorization.

52021464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52021464 is about 7212.5906580091. The cubic root of 52021464 is about 373.3024641427.

Adding to 52021464 its reverse (46412025), we get a palindrome (98433489).

It can be divided in two parts, 5202 and 1464, that added together give a palindrome (6666).

The spelling of 52021464 in words is "fifty-two million, twenty-one thousand, four hundred sixty-four".