52073091 has 64 divisors (see below), whose sum is σ = 98380800. Its totient is φ = 26500608.

The previous prime is 52073089. The next prime is 52073101. The reversal of 52073091 is 19037025.

It is not a de Polignac number, because 52073091 - 2¹ = 52073089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52073041) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 60621 + ... + 61473.

It is an arithmetic number, because the mean of its divisors is an integer number (1537200).

Almost surely, 2^52073091 is an apocalyptic number.

52073091 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52073091 is a deficient number, since it is larger than the sum of its proper divisors (46307709).

52073091 is a wasteful number, since it uses less digits than its factorization.

52073091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 52073091 is about 7216.1687203114. The cubic root of 52073091 is about 373.4259139196.

The spelling of 52073091 in words is "fifty-two million, seventy-three thousand, ninety-one".