53290770 has 96 divisors (see below), whose sum is σ = 144830592. Its totient is φ = 12519936.

The previous prime is 53290753. The next prime is 53290781. The reversal of 53290770 is 7709235.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116382 + ... + 116838.

It is an arithmetic number, because the mean of its divisors is an integer number (1508652).

Almost surely, 2^53290770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53290770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72415296).

53290770 is an abundant number, since it is smaller than the sum of its proper divisors (91539822).

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

53290770 is a wasteful number, since it uses less digits than its factorization.

53290770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 53290770 is about 7300.0527395355. The cubic root of 53290770 is about 376.3142508274.

The spelling of 53290770 in words is "fifty-three million, two hundred ninety thousand, seven hundred seventy".