53113890 has 16 divisors (see below), whose sum is σ = 127473408. Its totient is φ = 14163696.

The previous prime is 53113889. The next prime is 53113891. The reversal of 53113890 is 9831135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53113889) and next prime (53113891).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1770463 = 53113890 / (5 + 3 + 1 + 1 + 3 + 8 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (53113891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885202 + ... + 885261.

It is an arithmetic number, because the mean of its divisors is an integer number (7967088).

Almost surely, 2^53113890 is an apocalyptic number.

53113890 is an abundant number, since it is smaller than the sum of its proper divisors (74359518).

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

53113890 is a wasteful number, since it uses less digits than its factorization.

53113890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770473.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 53113890 is about 7287.9276889936. The cubic root of 53113890 is about 375.8974416604.

The spelling of 53113890 in words is "fifty-three million, one hundred thirteen thousand, eight hundred ninety".