53974830 has 128 divisors (see below), whose sum is σ = 168956928. Its totient is φ = 10708992.

The previous prime is 53974807. The next prime is 53974831. The reversal of 53974830 is 3847935.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53974831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45829 + ... + 46991.

It is an arithmetic number, because the mean of its divisors is an integer number (1319976).

Almost surely, 2^53974830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53974830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84478464).

53974830 is an abundant number, since it is smaller than the sum of its proper divisors (114982098).

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

53974830 is a wasteful number, since it uses less digits than its factorization.

53974830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 53974830 is about 7346.7564271589. The cubic root of 53974830 is about 377.9175795217.

The spelling of 53974830 in words is "fifty-three million, nine hundred seventy-four thousand, eight hundred thirty".