53911630 has 16 divisors (see below), whose sum is σ = 98043120. Its totient is φ = 21341952.

The previous prime is 53911621. The next prime is 53911631. The reversal of 53911630 is 3611935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53911631) 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, 26820 + ... + 28759.

It is an arithmetic number, because the mean of its divisors is an integer number (6127695).

Almost surely, 2^53911630 is an apocalyptic number.

53911630 is a deficient number, since it is larger than the sum of its proper divisors (44131490).

53911630 is a wasteful number, since it uses less digits than its factorization.

53911630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55683.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 53911630 is about 7342.4539494640. The cubic root of 53911630 is about 377.7700186475.

It can be divided in two parts, 5391 and 1630, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 53911630 in words is "fifty-three million, nine hundred eleven thousand, six hundred thirty".