53897470 has 16 divisors (see below), whose sum is σ = 105835248. Its totient is φ = 19599040.

The previous prime is 53897453. The next prime is 53897479. The reversal of 53897470 is 7479835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53897479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244879 + ... + 245098.

It is an arithmetic number, because the mean of its divisors is an integer number (6614703).

Almost surely, 2^53897470 is an apocalyptic number.

53897470 is a deficient number, since it is larger than the sum of its proper divisors (51937778).

53897470 is a wasteful number, since it uses less digits than its factorization.

53897470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489995.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 53897470 is about 7341.4896308583. The cubic root of 53897470 is about 377.7369417285.

The spelling of 53897470 in words is "fifty-three million, eight hundred ninety-seven thousand, four hundred seventy".