52123770 has 32 divisors (see below), whose sum is σ = 138997440. Its totient is φ = 13899600.

The previous prime is 52123769. The next prime is 52123801. The reversal of 52123770 is 7732125.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96256 + ... + 96795.

It is an arithmetic number, because the mean of its divisors is an integer number (4343670).

Almost surely, 2^52123770 is an apocalyptic number.

52123770 is an abundant number, since it is smaller than the sum of its proper divisors (86873670).

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

52123770 is a wasteful number, since it uses less digits than its factorization.

52123770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193067 (or 193061 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 52123770 is about 7219.6793557609. The cubic root of 52123770 is about 373.5470175161.

Adding to 52123770 its reverse (7732125), we get a palindrome (59855895).

The spelling of 52123770 in words is "fifty-two million, one hundred twenty-three thousand, seven hundred seventy".