53620420 has 96 divisors (see below), whose sum is σ = 136442880. Its totient is φ = 17310720.

The previous prime is 53620417. The next prime is 53620423. The reversal of 53620420 is 2402635.

53620420 = T₂₂₃ + T₂₂₄ + ... + T₆₉₂.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53620417) and next prime (53620423).

It is a junction number, because it is equal to n+sod(n) for n = 53620391 and 53620400.

It is not an unprimeable number, because it can be changed into a prime (53620423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190680 + ... + 190960.

It is an arithmetic number, because the mean of its divisors is an integer number (1421280).

Almost surely, 2^53620420 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 53620420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68221440).

53620420 is an abundant number, since it is smaller than the sum of its proper divisors (82822460).

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

53620420 is a wasteful number, since it uses less digits than its factorization.

53620420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53620420 is about 7322.5965340172. The cubic root of 53620420 is about 377.0886005457.

The spelling of 53620420 in words is "fifty-three million, six hundred twenty thousand, four hundred twenty".