52661546 has 32 divisors (see below), whose sum is σ = 96215040. Its totient is φ = 21102336.

The previous prime is 52661509. The next prime is 52661561. The reversal of 52661546 is 64516625.

It is a super-2 number, since 2×52661546² = 5546476854220232, which contains 22 as substring.

It is a Curzon 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, 40535 + ... + 41813.

It is an arithmetic number, because the mean of its divisors is an integer number (3006720).

Almost surely, 2^52661546 is an apocalyptic number.

52661546 is a deficient number, since it is larger than the sum of its proper divisors (43553494).

52661546 is a wasteful number, since it uses less digits than its factorization.

52661546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

The product of its digits is 43200, while the sum is 35.

The square root of 52661546 is about 7256.8275437687. The cubic root of 52661546 is about 374.8272887641.

The spelling of 52661546 in words is "fifty-two million, six hundred sixty-one thousand, five hundred forty-six".