52377645 has 8 divisors (see below), whose sum is σ = 83804256. Its totient is φ = 27934736.

The previous prime is 52377643. The next prime is 52377649. The reversal of 52377645 is 54677325.

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 52377645 - 2¹ = 52377643 is a prime.

It is a super-3 number, since 3×52377645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52377641) 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, 1745907 + ... + 1745936.

It is an arithmetic number, because the mean of its divisors is an integer number (10475532).

Almost surely, 2^52377645 is an apocalyptic number.

It is an amenable number.

52377645 is a deficient number, since it is larger than the sum of its proper divisors (31426611).

52377645 is a wasteful number, since it uses less digits than its factorization.

52377645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491851.

The product of its digits is 176400, while the sum is 39.

The square root of 52377645 is about 7237.2401507757. The cubic root of 52377645 is about 374.1525038882.

The spelling of 52377645 in words is "fifty-two million, three hundred seventy-seven thousand, six hundred forty-five".