52145455 has 16 divisors (see below), whose sum is σ = 64294560. Its totient is φ = 40578048.

The previous prime is 52145449. The next prime is 52145459. The reversal of 52145455 is 55454125.

It is a cyclic number.

It is not a de Polignac number, because 52145455 - 2³ = 52145447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52145459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87639 + ... + 88231.

It is an arithmetic number, because the mean of its divisors is an integer number (4018410).

Almost surely, 2^52145455 is an apocalyptic number.

52145455 is a deficient number, since it is larger than the sum of its proper divisors (12149105).

52145455 is a wasteful number, since it uses less digits than its factorization.

52145455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its digits is 20000, while the sum is 31.

The square root of 52145455 is about 7221.1809975931. The cubic root of 52145455 is about 373.5988124650.

The spelling of 52145455 in words is "fifty-two million, one hundred forty-five thousand, four hundred fifty-five".