52770030 has 64 divisors (see below), whose sum is σ = 136477440. Its totient is φ = 13015296.

The previous prime is 52770019. The next prime is 52770031. The reversal of 52770030 is 3007725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52770031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23434 + ... + 25586.

It is an arithmetic number, because the mean of its divisors is an integer number (2132460).

Almost surely, 2^52770030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52770030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68238720).

52770030 is an abundant number, since it is smaller than the sum of its proper divisors (83707410).

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

52770030 is a wasteful number, since it uses less digits than its factorization.

52770030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 52770030 is about 7264.2983143591. The cubic root of 52770030 is about 375.0844965150.

Adding to 52770030 its reverse (3007725), we get a palindrome (55777755).

The spelling of 52770030 in words is "fifty-two million, seven hundred seventy thousand, thirty".