52121051 has 4 divisors (see below), whose sum is σ = 52835112. Its totient is φ = 51406992.

The previous prime is 52121021. The next prime is 52121053. The reversal of 52121051 is 15012125.

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

It is a cyclic number.

It is not a de Polignac number, because 52121051 - 2¹⁰ = 52120027 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (52121053) 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, 356921 + ... + 357066.

It is an arithmetic number, because the mean of its divisors is an integer number (13208778).

Almost surely, 2^52121051 is an apocalyptic number.

52121051 is a deficient number, since it is larger than the sum of its proper divisors (714061).

52121051 is an equidigital number, since it uses as much as digits as its factorization.

52121051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714060.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 52121051 is about 7219.4910485435. The cubic root of 52121051 is about 373.5405221302.

Adding to 52121051 its reverse (15012125), we get a palindrome (67133176).

The spelling of 52121051 in words is "fifty-two million, one hundred twenty-one thousand, fifty-one".