53029890 has 96 divisors (see below), whose sum is σ = 144930240. Its totient is φ = 13950144.

The previous prime is 53029877. The next prime is 53029891. The reversal of 53029890 is 9892035.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53029891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337692 + ... + 337848.

It is an arithmetic number, because the mean of its divisors is an integer number (1509690).

Almost surely, 2^53029890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53029890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72465120).

53029890 is an abundant number, since it is smaller than the sum of its proper divisors (91900350).

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

53029890 is a wasteful number, since it uses less digits than its factorization.

53029890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 53029890 is about 7282.1624535573. The cubic root of 53029890 is about 375.6991755991.

The spelling of 53029890 in words is "fifty-three million, twenty-nine thousand, eight hundred ninety".