52001455 has 8 divisors (see below), whose sum is σ = 68074704. Its totient is φ = 37819200.

The previous prime is 52001449. The next prime is 52001473. The reversal of 52001455 is 55410025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-52001455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472686 + ... + 472795.

It is an arithmetic number, because the mean of its divisors is an integer number (8509338).

Almost surely, 2^52001455 is an apocalyptic number.

52001455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52001455 is a deficient number, since it is larger than the sum of its proper divisors (16073249).

52001455 is a wasteful number, since it uses less digits than its factorization.

52001455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945497.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52001455 is about 7211.2034363205. The cubic root of 52001455 is about 373.2545969337.

The spelling of 52001455 in words is "fifty-two million, one thousand, four hundred fifty-five".