53002764 has 36 divisors (see below), whose sum is σ = 139806576. Its totient is φ = 16899168.

The previous prime is 53002739. The next prime is 53002769. The reversal of 53002764 is 46720035.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (53002769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31179 + ... + 32834.

It is an arithmetic number, because the mean of its divisors is an integer number (3883516).

Almost surely, 2^53002764 is an apocalyptic number.

It is an amenable number.

53002764 is an abundant number, since it is smaller than the sum of its proper divisors (86803812).

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

53002764 is a wasteful number, since it uses less digits than its factorization.

53002764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64046 (or 64041 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53002764 is about 7280.2997191050. The cubic root of 53002764 is about 375.6351051035.

Adding to 53002764 its reverse (46720035), we get a palindrome (99722799).

The spelling of 53002764 in words is "fifty-three million, two thousand, seven hundred sixty-four".