52770490 has 16 divisors (see below), whose sum is σ = 96545160. Its totient is φ = 20761920.

The previous prime is 52770461. The next prime is 52770511. The reversal of 52770490 is 9407725.

It can be written as a sum of positive squares in 4 ways, for example, as 19971961 + 32798529 = 4469^2 + 5727^2 .

It is a super-2 number, since 2×52770490² = 5569449229680200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42645 + ... + 43864.

Almost surely, 2^52770490 is an apocalyptic number.

52770490 is a deficient number, since it is larger than the sum of its proper divisors (43774670).

52770490 is a wasteful number, since it uses less digits than its factorization.

52770490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86577.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 52770490 is about 7264.3299759854. The cubic root of 52770490 is about 375.0855863910.

It can be divided in two parts, 527 and 70490, that added together give a palindrome (71017).

The spelling of 52770490 in words is "fifty-two million, seven hundred seventy thousand, four hundred ninety".