52891455 has 8 divisors (see below), whose sum is σ = 84626352. Its totient is φ = 28208768.

The previous prime is 52891451. The next prime is 52891507. The reversal of 52891455 is 55419825.

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 52891455 - 2² = 52891451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52891451) 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, 1763034 + ... + 1763063.

It is an arithmetic number, because the mean of its divisors is an integer number (10578294).

Almost surely, 2^52891455 is an apocalyptic number.

52891455 is a deficient number, since it is larger than the sum of its proper divisors (31734897).

52891455 is a wasteful number, since it uses less digits than its factorization.

52891455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526105.

The product of its digits is 72000, while the sum is 39.

The square root of 52891455 is about 7272.6511672154. The cubic root of 52891455 is about 375.3719686939.

The spelling of 52891455 in words is "fifty-two million, eight hundred ninety-one thousand, four hundred fifty-five".