52450157 has 4 divisors (see below), whose sum is σ = 52469280. Its totient is φ = 52431036.

The previous prime is 52450147. The next prime is 52450159. The reversal of 52450157 is 75105425.

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 52450157 - 2²² = 48255853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52450159) 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, 4583 + ... + 11220.

It is an arithmetic number, because the mean of its divisors is an integer number (13117320).

Almost surely, 2^52450157 is an apocalyptic number.

It is an amenable number.

52450157 is a deficient number, since it is larger than the sum of its proper divisors (19123).

52450157 is a wasteful number, since it uses less digits than its factorization.

52450157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19122.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 52450157 is about 7242.2480625839. The cubic root of 52450157 is about 374.3250841056.

The spelling of 52450157 in words is "fifty-two million, four hundred fifty thousand, one hundred fifty-seven".