53971455 has 32 divisors (see below), whose sum is σ = 91385856. Its totient is φ = 27143424.

The previous prime is 53971439. The next prime is 53971487. The reversal of 53971455 is 55417935.

It is not a de Polignac number, because 53971455 - 2⁴ = 53971439 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24114 + ... + 26256.

It is an arithmetic number, because the mean of its divisors is an integer number (2855808).

Almost surely, 2^53971455 is an apocalyptic number.

53971455 is a deficient number, since it is larger than the sum of its proper divisors (37414401).

53971455 is a wasteful number, since it uses less digits than its factorization.

53971455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its digits is 94500, while the sum is 39.

The square root of 53971455 is about 7346.5267303672. The cubic root of 53971455 is about 377.9097024031.

The spelling of 53971455 in words is "fifty-three million, nine hundred seventy-one thousand, four hundred fifty-five".