52149545 has 16 divisors (see below), whose sum is σ = 71713920. Its totient is φ = 35662464.

The previous prime is 52149491. The next prime is 52149551. The reversal of 52149545 is 54594125.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52149545 - 2⁸ = 52149289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12494 + ... + 16136.

It is an arithmetic number, because the mean of its divisors is an integer number (4482120).

Almost surely, 2^52149545 is an apocalyptic number.

It is an amenable number.

52149545 is a deficient number, since it is larger than the sum of its proper divisors (19564375).

52149545 is a wasteful number, since it uses less digits than its factorization.

52149545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064.

The product of its digits is 36000, while the sum is 35.

The square root of 52149545 is about 7221.4641867145. The cubic root of 52149545 is about 373.6085798819.

The spelling of 52149545 in words is "fifty-two million, one hundred forty-nine thousand, five hundred forty-five".