52620757 has 12 divisors (see below), whose sum is σ = 63874656. Its totient is φ = 43141560.

The previous prime is 52620751. The next prime is 52620769. The reversal of 52620757 is 75702625.

It is a happy number.

It is not a de Polignac number, because 52620757 - 2⁷ = 52620629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620751) 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, 22219 + ... + 24472.

It is an arithmetic number, because the mean of its divisors is an integer number (5322888).

Almost surely, 2^52620757 is an apocalyptic number.

It is an amenable number.

52620757 is a deficient number, since it is larger than the sum of its proper divisors (11253899).

52620757 is a wasteful number, since it uses less digits than its factorization.

52620757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46728 (or 46721 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 52620757 is about 7254.0166115057. The cubic root of 52620757 is about 374.7304896101.

The spelling of 52620757 in words is "fifty-two million, six hundred twenty thousand, seven hundred fifty-seven".