52022351 has 4 divisors (see below), whose sum is σ = 52798872. Its totient is φ = 51245832.

The previous prime is 52022293. The next prime is 52022357. The reversal of 52022351 is 15322025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52022351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52022357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388160 + ... + 388293.

It is an arithmetic number, because the mean of its divisors is an integer number (13199718).

Almost surely, 2^52022351 is an apocalyptic number.

52022351 is a deficient number, since it is larger than the sum of its proper divisors (776521).

52022351 is an equidigital number, since it uses as much as digits as its factorization.

52022351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776520.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52022351 is about 7212.6521474420. The cubic root of 52022351 is about 373.3045858144.

Adding to 52022351 its reverse (15322025), we get a palindrome (67344376).

The spelling of 52022351 in words is "fifty-two million, twenty-two thousand, three hundred fifty-one".