52770146 has 16 divisors (see below), whose sum is σ = 92994048. Its totient is φ = 22141200.

The previous prime is 52770101. The next prime is 52770149. The reversal of 52770146 is 64107725.

It is a super-2 number, since 2×52770146² = 5569376617722632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52770149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91970 + ... + 92541.

It is an arithmetic number, because the mean of its divisors is an integer number (5812128).

Almost surely, 2^52770146 is an apocalyptic number.

52770146 is a deficient number, since it is larger than the sum of its proper divisors (40223902).

52770146 is a wasteful number, since it uses less digits than its factorization.

52770146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184537.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 52770146 is about 7264.3062986083. The cubic root of 52770146 is about 375.0847713539.

The spelling of 52770146 in words is "fifty-two million, seven hundred seventy thousand, one hundred forty-six".