52355547 has 6 divisors (see below), whose sum is σ = 75624692. Its totient is φ = 34903692.

The previous prime is 52355543. The next prime is 52355549. The reversal of 52355547 is 74555325.

It is not a de Polignac number, because 52355547 - 2² = 52355543 is a prime.

It is a super-2 number, since 2×52355547² = 5482206603338418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52355543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2908633 + ... + 2908650.

Almost surely, 2^52355547 is an apocalyptic number.

52355547 is a deficient number, since it is larger than the sum of its proper divisors (23269145).

52355547 is a wasteful number, since it uses less digits than its factorization.

52355547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817289 (or 5817286 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 52355547 is about 7235.7133027781. The cubic root of 52355547 is about 374.0998784787.

The spelling of 52355547 in words is "fifty-two million, three hundred fifty-five thousand, five hundred forty-seven".