52651650 has 24 divisors (see below), whose sum is σ = 130576464. Its totient is φ = 14040400.

The previous prime is 52651607. The next prime is 52651663. The reversal of 52651650 is 5615625.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175356 + ... + 175655.

It is an arithmetic number, because the mean of its divisors is an integer number (5440686).

Almost surely, 2^52651650 is an apocalyptic number.

52651650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52651650 is an abundant number, since it is smaller than the sum of its proper divisors (77924814).

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

52651650 is a wasteful number, since it uses less digits than its factorization.

52651650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351026 (or 351021 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 52651650 is about 7256.1456710846. The cubic root of 52651650 is about 374.8038084861.

It can be divided in two parts, 52651 and 650, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 52651650 in words is "fifty-two million, six hundred fifty-one thousand, six hundred fifty".