52290044 has 12 divisors (see below), whose sum is σ = 92363544. Its totient is φ = 25900464.

The previous prime is 52290037. The next prime is 52290053. The reversal of 52290044 is 44009225.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 52289995 and 52290022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60659 + ... + 61514.

It is an arithmetic number, because the mean of its divisors is an integer number (7696962).

Almost surely, 2^52290044 is an apocalyptic number.

It is an amenable number.

52290044 is a deficient number, since it is larger than the sum of its proper divisors (40073500).

52290044 is a wasteful number, since it uses less digits than its factorization.

52290044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122284 (or 122282 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52290044 is about 7231.1855182950. The cubic root of 52290044 is about 373.9437989273.

Adding to 52290044 its reverse (44009225), we get a palindrome (96299269).

The spelling of 52290044 in words is "fifty-two million, two hundred ninety thousand, forty-four".