52233390 has 128 divisors (see below), whose sum is σ = 155865600. Its totient is φ = 12337920.

The previous prime is 52233373. The next prime is 52233407. The reversal of 52233390 is 9333225.

It is an interprime number because it is at equal distance from previous prime (52233373) and next prime (52233407).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127506 + ... + 127914.

It is an arithmetic number, because the mean of its divisors is an integer number (1217700).

Almost surely, 2^52233390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52233390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77932800).

52233390 is an abundant number, since it is smaller than the sum of its proper divisors (103632210).

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

52233390 is a wasteful number, since it uses less digits than its factorization.

52233390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 52233390 is about 7227.2671183512. The cubic root of 52233390 is about 373.8086994824.

The spelling of 52233390 in words is "fifty-two million, two hundred thirty-three thousand, three hundred ninety".