53399148 has 24 divisors (see below), whose sum is σ = 135925440. Its totient is φ = 16181520.

The previous prime is 53399147. The next prime is 53399149. The reversal of 53399148 is 84199335.

It is an interprime number because it is at equal distance from previous prime (53399147) and next prime (53399149).

It is not an unprimeable number, because it can be changed into a prime (53399141) 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, 202138 + ... + 202401.

It is an arithmetic number, because the mean of its divisors is an integer number (5663560).

Almost surely, 2^53399148 is an apocalyptic number.

It is an amenable number.

53399148 is an abundant number, since it is smaller than the sum of its proper divisors (82526292).

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

53399148 is a wasteful number, since it uses less digits than its factorization.

53399148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404557 (or 404555 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 53399148 is about 7307.4720663168. The cubic root of 53399148 is about 376.5691828374.

It can be divided in two parts, 533 and 99148, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 53399148 in words is "fifty-three million, three hundred ninety-nine thousand, one hundred forty-eight".