52520797 has 24 divisors (see below), whose sum is σ = 63940320. Its totient is φ = 42971040.

The previous prime is 52520779. The next prime is 52520813. The reversal of 52520797 is 79702525.

It is not a de Polignac number, because 52520797 - 2¹¹ = 52518749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52520717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106722 + ... + 107212.

It is an arithmetic number, because the mean of its divisors is an integer number (2664180).

Almost surely, 2^52520797 is an apocalyptic number.

It is an amenable number.

52520797 is a deficient number, since it is larger than the sum of its proper divisors (11419523).

52520797 is a wasteful number, since it uses less digits than its factorization.

52520797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 52520797 is about 7247.1233603410. The cubic root of 52520797 is about 374.4930560334.

The spelling of 52520797 in words is "fifty-two million, five hundred twenty thousand, seven hundred ninety-seven".