52042620 has 48 divisors (see below), whose sum is σ = 166537728. Its totient is φ = 11895360.

The previous prime is 52042619. The next prime is 52042631. The reversal of 52042620 is 2624025.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61536 + ... + 62375.

It is an arithmetic number, because the mean of its divisors is an integer number (3469536).

Almost surely, 2^52042620 is an apocalyptic number.

It is an amenable number.

52042620 is an abundant number, since it is smaller than the sum of its proper divisors (114495108).

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

52042620 is a wasteful number, since it uses less digits than its factorization.

52042620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123930 (or 123928 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52042620 is about 7214.0571109467. The cubic root of 52042620 is about 373.3530619535.

Adding to 52042620 its reverse (2624025), we get a palindrome (54666645).

The spelling of 52042620 in words is "fifty-two million, forty-two thousand, six hundred twenty".