53726490 has 80 divisors (see below), whose sum is σ = 152111520. Its totient is φ = 13569120.

The previous prime is 53726489. The next prime is 53726501. The reversal of 53726490 is 9462735.

53726490 is a `hidden beast` number, since 5 + 3 + 7 + 2 + 649 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13645 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (1901394).

Almost surely, 2^53726490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53726490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76055760).

53726490 is an abundant number, since it is smaller than the sum of its proper divisors (98385030).

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

53726490 is a wasteful number, since it uses less digits than its factorization.

53726490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 53726490 is about 7329.8356052506. The cubic root of 53726490 is about 377.3370845048.

The spelling of 53726490 in words is "fifty-three million, seven hundred twenty-six thousand, four hundred ninety".