53921292 has 48 divisors (see below), whose sum is σ = 133002240. Its totient is φ = 16967808.

The previous prime is 53921291. The next prime is 53921293. The reversal of 53921292 is 29212935.

It is an interprime number because it is at equal distance from previous prime (53921291) and next prime (53921293).

It is not an unprimeable number, because it can be changed into a prime (53921291) 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, 20568 + ... + 23040.

It is an arithmetic number, because the mean of its divisors is an integer number (2770880).

Almost surely, 2^53921292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53921292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66501120).

53921292 is an abundant number, since it is smaller than the sum of its proper divisors (79080948).

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

53921292 is a wasteful number, since it uses less digits than its factorization.

53921292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582 (or 2580 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 53921292 is about 7343.1118744031. Note that the first 3 decimals coincide. The cubic root of 53921292 is about 377.7925851815.

The spelling of 53921292 in words is "fifty-three million, nine hundred twenty-one thousand, two hundred ninety-two".