52545930 has 32 divisors (see below), whose sum is σ = 130180608. Its totient is φ = 13560000.

The previous prime is 52545917. The next prime is 52545937. The reversal of 52545930 is 3954525.

It is a super-2 number, since 2×52545930² = 5522149519129800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52545891 and 52545900.

It is not an unprimeable number, because it can be changed into a prime (52545937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27321 + ... + 29180.

It is an arithmetic number, because the mean of its divisors is an integer number (4068144).

Almost surely, 2^52545930 is an apocalyptic number.

52545930 is an abundant number, since it is smaller than the sum of its proper divisors (77634678).

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

52545930 is a wasteful number, since it uses less digits than its factorization.

52545930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56542.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 52545930 is about 7248.8571513032. The cubic root of 52545930 is about 374.5527824247.

The spelling of 52545930 in words is "fifty-two million, five hundred forty-five thousand, nine hundred thirty".