52700144 has 40 divisors (see below), whose sum is σ = 117075840. Its totient is φ = 22511808.

The previous prime is 52700143. The next prime is 52700159. The reversal of 52700144 is 44100725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52700143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46367 + ... + 47489.

It is an arithmetic number, because the mean of its divisors is an integer number (2926896).

Almost surely, 2^52700144 is an apocalyptic number.

It is an amenable number.

52700144 is an abundant number, since it is smaller than the sum of its proper divisors (64375696).

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

52700144 is a wasteful number, since it uses less digits than its factorization.

52700144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52700144 is about 7259.4864832163. The cubic root of 52700144 is about 374.9188422889.

Adding to 52700144 its reverse (44100725), we get a palindrome (96800869).

The spelling of 52700144 in words is "fifty-two million, seven hundred thousand, one hundred forty-four".