53084394 has 36 divisors (see below), whose sum is σ = 126427938. Its totient is φ = 16085520.

The previous prime is 53084389. The next prime is 53084399. The reversal of 53084394 is 49348035.

It is an interprime number because it is at equal distance from previous prime (53084389) and next prime (53084399).

It can be written as a sum of positive squares in only one way, i.e., 48483369 + 4601025 = 6963^2 + 2145^2 .

It is not an unprimeable number, because it can be changed into a prime (53084399) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10009 + ... + 14364.

Almost surely, 2^53084394 is an apocalyptic number.

53084394 is an abundant number, since it is smaller than the sum of its proper divisors (73343544).

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

53084394 is a wasteful number, since it uses less digits than its factorization.

53084394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24403 (or 24389 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 53084394 is about 7285.9037874515. The cubic root of 53084394 is about 375.8278457788.

The spelling of 53084394 in words is "fifty-three million, eighty-four thousand, three hundred ninety-four".