52851930 has 32 divisors (see below), whose sum is σ = 132361344. Its totient is φ = 13480896.

The previous prime is 52851899. The next prime is 52851937. The reversal of 52851930 is 3915825.

It is a junction number, because it is equal to n+sod(n) for n = 52851891 and 52851900.

It is not an unprimeable number, because it can be changed into a prime (52851937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37609 + ... + 38988.

It is an arithmetic number, because the mean of its divisors is an integer number (4136292).

Almost surely, 2^52851930 is an apocalyptic number.

52851930 is an abundant number, since it is smaller than the sum of its proper divisors (79509414).

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

52851930 is a wasteful number, since it uses less digits than its factorization.

52851930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76630.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 52851930 is about 7269.9332871767. The cubic root of 52851930 is about 375.2784420911.

The spelling of 52851930 in words is "fifty-two million, eight hundred fifty-one thousand, nine hundred thirty".