53144700 has 72 divisors (see below), whose sum is σ = 175738752. Its totient is φ = 12146880.

The previous prime is 53144681. The next prime is 53144719. The reversal of 53144700 is 744135.

It is an interprime number because it is at equal distance from previous prime (53144681) and next prime (53144719).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10554 + ... + 14753.

It is an arithmetic number, because the mean of its divisors is an integer number (2440816).

Almost surely, 2^53144700 is an apocalyptic number.

53144700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53144700 is an abundant number, since it is smaller than the sum of its proper divisors (122594052).

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

53144700 is a wasteful number, since it uses less digits than its factorization.

53144700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25331 (or 25324 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 53144700 is about 7290.0411521472. The cubic root of 53144700 is about 375.9701104202.

Adding to 53144700 its reverse (744135), we get a palindrome (53888835).

The spelling of 53144700 in words is "fifty-three million, one hundred forty-four thousand, seven hundred".