53695278 has 128 divisors (see below), whose sum is σ = 150528000. Its totient is φ = 14097888.

The previous prime is 53695277. The next prime is 53695289. The reversal of 53695278 is 87259635.

It is a happy number.

53695278 is a `hidden beast` number, since 536 + 95 + 27 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53695277) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240675 + ... + 240897.

It is an arithmetic number, because the mean of its divisors is an integer number (1176000).

Almost surely, 2^53695278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53695278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75264000).

53695278 is an abundant number, since it is smaller than the sum of its proper divisors (96832722).

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

53695278 is a wasteful number, since it uses less digits than its factorization.

53695278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 248 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 53695278 is about 7327.7061895248. The cubic root of 53695278 is about 377.2639999705.

The spelling of 53695278 in words is "fifty-three million, six hundred ninety-five thousand, two hundred seventy-eight".