52401455 has 4 divisors (see below), whose sum is σ = 62881752. Its totient is φ = 41921160.

The previous prime is 52401451. The next prime is 52401457. The reversal of 52401455 is 55410425.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52401455 - 2² = 52401451 is a prime.

It is a super-2 number, since 2×52401455² = 5491824972234050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52401451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5240141 + ... + 5240150.

It is an arithmetic number, because the mean of its divisors is an integer number (15720438).

Almost surely, 2^52401455 is an apocalyptic number.

52401455 is a deficient number, since it is larger than the sum of its proper divisors (10480297).

52401455 is a wasteful number, since it uses less digits than its factorization.

52401455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10480296.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 52401455 is about 7238.8849279430. The cubic root of 52401455 is about 374.2091897865.

The spelling of 52401455 in words is "fifty-two million, four hundred one thousand, four hundred fifty-five".