53977000 has 128 divisors (see below), whose sum is σ = 157697280. Its totient is φ = 16800000.

The previous prime is 53976991. The next prime is 53977031. The reversal of 53977000 is 77935.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76650 + ... + 77350.

It is an arithmetic number, because the mean of its divisors is an integer number (1232010).

Almost surely, 2^53977000 is an apocalyptic number.

53977000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53977000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78848640).

53977000 is an abundant number, since it is smaller than the sum of its proper divisors (103720280).

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

53977000 is a wasteful number, since it uses less digits than its factorization.

53977000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 53977000 is about 7346.9041098955. The cubic root of 53977000 is about 377.9226440438.

The spelling of 53977000 in words is "fifty-three million, nine hundred seventy-seven thousand".