52155501 has 4 divisors (see below), whose sum is σ = 69540672. Its totient is φ = 34770332.

The previous prime is 52155497. The next prime is 52155511. The reversal of 52155501 is 10555125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52155501 - 2² = 52155497 is a prime.

It is a super-2 number, since 2×52155501² = 5440392569122002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52155511) 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, 8692581 + ... + 8692586.

It is an arithmetic number, because the mean of its divisors is an integer number (17385168).

Almost surely, 2^52155501 is an apocalyptic number.

It is an amenable number.

52155501 is a deficient number, since it is larger than the sum of its proper divisors (17385171).

52155501 is a wasteful number, since it uses less digits than its factorization.

52155501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17385170.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 52155501 is about 7221.8765566852. The cubic root of 52155501 is about 373.6228026202.

The spelling of 52155501 in words is "fifty-two million, one hundred fifty-five thousand, five hundred one".