52761402 has 48 divisors (see below), whose sum is σ = 122633280. Its totient is φ = 16813368.

The previous prime is 52761343. The next prime is 52761419. The reversal of 52761402 is 20416725.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27643 + ... + 29489.

It is an arithmetic number, because the mean of its divisors is an integer number (2554860).

Almost surely, 2^52761402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52761402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61316640).

52761402 is an abundant number, since it is smaller than the sum of its proper divisors (69871878).

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

52761402 is a wasteful number, since it uses less digits than its factorization.

52761402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52761402 is about 7263.7044268059. The cubic root of 52761402 is about 375.0640530586.

The spelling of 52761402 in words is "fifty-two million, seven hundred sixty-one thousand, four hundred two".