53899992 has 80 divisors (see below), whose sum is σ = 152053440. Its totient is φ = 17838144.

The previous prime is 53899969. The next prime is 53900029. The reversal of 53899992 is 29999835.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 144318 + ... + 144690.

It is an arithmetic number, because the mean of its divisors is an integer number (1900668).

Almost surely, 2^53899992 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 53899992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76026720).

53899992 is an abundant number, since it is smaller than the sum of its proper divisors (98153448).

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

53899992 is a wasteful number, since it uses less digits than its factorization.

53899992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 601 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 53899992 is about 7341.6613923553. The cubic root of 53899992 is about 377.7428333947.

The spelling of 53899992 in words is "fifty-three million, eight hundred ninety-nine thousand, nine hundred ninety-two".