52790130 has 40 divisors (see below), whose sum is σ = 141948972. Its totient is φ = 14077152.

The previous prime is 52790119. The next prime is 52790131. The reversal of 52790130 is 3109725.

52790130 is a `hidden beast` number, since 527 + 9 + 0 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42810849 + 9979281 = 6543^2 + 3159^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52790094 and 52790103.

It is not an unprimeable number, because it can be changed into a prime (52790131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31777 + ... + 33396.

Almost surely, 2^52790130 is an apocalyptic number.

52790130 is an abundant number, since it is smaller than the sum of its proper divisors (89158842).

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

52790130 is a wasteful number, since it uses less digits than its factorization.

52790130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65192 (or 65183 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 52790130 is about 7265.6816610694. The cubic root of 52790130 is about 375.1321134506.

Adding to 52790130 its reverse (3109725), we get a palindrome (55899855).

The spelling of 52790130 in words is "fifty-two million, seven hundred ninety thousand, one hundred thirty".