52142070 has 32 divisors (see below), whose sum is σ = 125920512. Its totient is φ = 13817952.

The previous prime is 52142047. The next prime is 52142071. The reversal of 52142070 is 7024125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (3935016).

Almost surely, 2^52142070 is an apocalyptic number.

52142070 is an abundant number, since it is smaller than the sum of its proper divisors (73778442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52142070 is a wasteful number, since it uses less digits than its factorization.

52142070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 52142070 is about 7220.9466138450. The cubic root of 52142070 is about 373.5907282875.

Adding to 52142070 its reverse (7024125), we get a palindrome (59166195).

The spelling of 52142070 in words is "fifty-two million, one hundred forty-two thousand, seventy".