53775830 has 16 divisors (see below), whose sum is σ = 97796160. Its totient is φ = 21288192.

The previous prime is 53775829. The next prime is 53775851. The reversal of 53775830 is 3857735.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26750 + ... + 28689.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2^53775830 is an apocalyptic number.

53775830 is a deficient number, since it is larger than the sum of its proper divisors (44020330).

53775830 is a wasteful number, since it uses less digits than its factorization.

53775830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55543.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 53775830 is about 7333.2005291005. The cubic root of 53775830 is about 377.4525589842.

It can be divided in two parts, 537 and 75830, that added together give a palindrome (76367).

The spelling of 53775830 in words is "fifty-three million, seven hundred seventy-five thousand, eight hundred thirty".