52155730 has 16 divisors (see below), whose sum is σ = 102415104. Its totient is φ = 18965680.

The previous prime is 52155713. The next prime is 52155739. The reversal of 52155730 is 3755125.

It is not an unprimeable number, because it can be changed into a prime (52155739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236962 + ... + 237181.

It is an arithmetic number, because the mean of its divisors is an integer number (6400944).

Almost surely, 2^52155730 is an apocalyptic number.

52155730 is a deficient number, since it is larger than the sum of its proper divisors (50259374).

52155730 is a wasteful number, since it uses less digits than its factorization.

52155730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474161.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 52155730 is about 7221.8924112728. The cubic root of 52155730 is about 373.6233494433.

The spelling of 52155730 in words is "fifty-two million, one hundred fifty-five thousand, seven hundred thirty".