53161700 has 36 divisors (see below), whose sum is σ = 117825792. Its totient is φ = 20810400.

The previous prime is 53161687. The next prime is 53161721. The reversal of 53161700 is 716135.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 956 + ... + 10355.

Almost surely, 2^53161700 is an apocalyptic number.

53161700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53161700 is an abundant number, since it is smaller than the sum of its proper divisors (64664092).

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

53161700 is a wasteful number, since it uses less digits than its factorization.

53161700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372 (or 11365 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 53161700 is about 7291.2070331324. The cubic root of 53161700 is about 376.0101947590.

Adding to 53161700 its reverse (716135), we get a palindrome (53877835).

The spelling of 53161700 in words is "fifty-three million, one hundred sixty-one thousand, seven hundred".