52620451 has 8 divisors (see below), whose sum is σ = 56987280. Its totient is φ = 48299232.

The previous prime is 52620439. The next prime is 52620461. The reversal of 52620451 is 15402625.

52620451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52620451 - 2⁹ = 52619939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52620461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980 + ... + 13633.

It is an arithmetic number, because the mean of its divisors is an integer number (7123410).

Almost surely, 2^52620451 is an apocalyptic number.

52620451 is a deficient number, since it is larger than the sum of its proper divisors (4366829).

52620451 is a wasteful number, since it uses less digits than its factorization.

52620451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22805.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52620451 is about 7253.9955197119. The cubic root of 52620451 is about 374.7297632316.

The spelling of 52620451 in words is "fifty-two million, six hundred twenty thousand, four hundred fifty-one".