53044387 has 8 divisors (see below), whose sum is σ = 58564800. Its totient is φ = 47640360.

The previous prime is 53044367. The next prime is 53044457. The reversal of 53044387 is 78344035.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53044387 - 2⁷ = 53044259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53044307) 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, 28137 + ... + 29962.

It is an arithmetic number, because the mean of its divisors is an integer number (7320600).

Almost surely, 2^53044387 is an apocalyptic number.

53044387 is a deficient number, since it is larger than the sum of its proper divisors (5520413).

53044387 is a wasteful number, since it uses less digits than its factorization.

53044387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58193.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 53044387 is about 7283.1577629487. The cubic root of 53044387 is about 375.7334079582.

It can be divided in two parts, 53044 and 387, that multiplied together give a triangular number (20528028 = T₆₄₀₇).

The spelling of 53044387 in words is "fifty-three million, forty-four thousand, three hundred eighty-seven".