52449870 has 48 divisors (see below), whose sum is σ = 138373200. Its totient is φ = 12714240.

The previous prime is 52449863. The next prime is 52449883. The reversal of 52449870 is 7894425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3595 + ... + 10854.

It is an arithmetic number, because the mean of its divisors is an integer number (2882775).

Almost surely, 2^52449870 is an apocalyptic number.

52449870 is an abundant number, since it is smaller than the sum of its proper divisors (85923330).

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

52449870 is a wasteful number, since it uses less digits than its factorization.

52449870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481 (or 14470 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 52449870 is about 7242.2282482672. The cubic root of 52449870 is about 374.3244013526.

The spelling of 52449870 in words is "fifty-two million, four hundred forty-nine thousand, eight hundred seventy".