53971450 has 48 divisors (see below), whose sum is σ = 110680416. Its totient is φ = 19454400.

The previous prime is 53971439. The next prime is 53971487. The reversal of 53971450 is 5417935.

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, 26985 + ... + 28915.

It is an arithmetic number, because the mean of its divisors is an integer number (2305842).

Almost surely, 2^53971450 is an apocalyptic number.

53971450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53971450 is an abundant number, since it is smaller than the sum of its proper divisors (56708966).

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

53971450 is a wasteful number, since it uses less digits than its factorization.

53971450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 53971450 is about 7346.5263900703. The cubic root of 53971450 is about 377.9096907330.

The spelling of 53971450 in words is "fifty-three million, nine hundred seventy-one thousand, four hundred fifty".