52458947 has 4 divisors (see below), whose sum is σ = 52479576. Its totient is φ = 52438320.

The previous prime is 52458937. The next prime is 52458949. The reversal of 52458947 is 74985425.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52458947 - 2⁸ = 52458691 is a prime.

It is a super-2 number, since 2×52458947² = 5503882240697618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52458898 and 52458907.

It is not an unprimeable number, because it can be changed into a prime (52458949) 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, 5858 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (13119894).

Almost surely, 2^52458947 is an apocalyptic number.

52458947 is a deficient number, since it is larger than the sum of its proper divisors (20629).

52458947 is a wasteful number, since it uses less digits than its factorization.

52458947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628.

The product of its digits is 403200, while the sum is 44.

The square root of 52458947 is about 7242.8548929272. The cubic root of 52458947 is about 374.3459936947.

The spelling of 52458947 in words is "fifty-two million, four hundred fifty-eight thousand, nine hundred forty-seven".