52391102 has 16 divisors (see below), whose sum is σ = 82196640. Its totient is φ = 25044976.

The previous prime is 52391099. The next prime is 52391107. The reversal of 52391102 is 20119325.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52391107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23258 + ... + 25410.

It is an arithmetic number, because the mean of its divisors is an integer number (5137290).

Almost surely, 2^52391102 is an apocalyptic number.

52391102 is a deficient number, since it is larger than the sum of its proper divisors (29805538).

52391102 is an equidigital number, since it uses as much as digits as its factorization.

52391102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 52391102 is about 7238.1697962952. The cubic root of 52391102 is about 374.1845438874.

The spelling of 52391102 in words is "fifty-two million, three hundred ninety-one thousand, one hundred two".