52450146 has 128 divisors (see below), whose sum is σ = 143616000. Its totient is φ = 13856832.

The previous prime is 52450133. The next prime is 52450147. The reversal of 52450146 is 64105425.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52450147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 481140 + ... + 481248.

It is an arithmetic number, because the mean of its divisors is an integer number (1122000).

Almost surely, 2^52450146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52450146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71808000).

52450146 is an abundant number, since it is smaller than the sum of its proper divisors (91165854).

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

52450146 is a wasteful number, since it uses less digits than its factorization.

52450146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52450146 is about 7242.2473031511. The cubic root of 52450146 is about 374.3250579374.

The spelling of 52450146 in words is "fifty-two million, four hundred fifty thousand, one hundred forty-six".