53775312 has 20 divisors (see below), whose sum is σ = 138919680. Its totient is φ = 17925088.

The previous prime is 53775307. The next prime is 53775317. The reversal of 53775312 is 21357735.

It is an interprime number because it is at equal distance from previous prime (53775307) and next prime (53775317).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53775317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560112 + ... + 560207.

It is an arithmetic number, because the mean of its divisors is an integer number (6945984).

Almost surely, 2^53775312 is an apocalyptic number.

It is an amenable number.

53775312 is an abundant number, since it is smaller than the sum of its proper divisors (85144368).

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

53775312 is a wasteful number, since it uses less digits than its factorization.

53775312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120330 (or 1120324 counting only the distinct ones).

The product of its digits is 22050, while the sum is 33.

The square root of 53775312 is about 7333.1652101940. The cubic root of 53775312 is about 377.4513470330.

The spelling of 53775312 in words is "fifty-three million, seven hundred seventy-five thousand, three hundred twelve".