52251446 has 48 divisors (see below), whose sum is σ = 91974960. Its totient is φ = 22102080.

The previous prime is 52251401. The next prime is 52251449. The reversal of 52251446 is 64415225.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398801 + ... + 398931.

It is an arithmetic number, because the mean of its divisors is an integer number (1916145).

Almost surely, 2^52251446 is an apocalyptic number.

52251446 is a deficient number, since it is larger than the sum of its proper divisors (39723514).

52251446 is a wasteful number, since it uses less digits than its factorization.

52251446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 198 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 52251446 is about 7228.5161686199. The cubic root of 52251446 is about 373.8517671594.

The spelling of 52251446 in words is "fifty-two million, two hundred fifty-one thousand, four hundred forty-six".