52193511 has 16 divisors (see below), whose sum is σ = 77459200. Its totient is φ = 34734744.

The previous prime is 52193507. The next prime is 52193539. The reversal of 52193511 is 11539125.

52193511 is a `hidden beast` number, since 521 + 93 + 51 + 1 = 666.

It is not a de Polignac number, because 52193511 - 2² = 52193507 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52193501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18300 + ... + 20958.

It is an arithmetic number, because the mean of its divisors is an integer number (4841200).

Almost surely, 2^52193511 is an apocalyptic number.

52193511 is a deficient number, since it is larger than the sum of its proper divisors (25265689).

52193511 is a wasteful number, since it uses less digits than its factorization.

52193511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395 (or 3389 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 52193511 is about 7224.5076648862. The cubic root of 52193511 is about 373.7135437944.

The spelling of 52193511 in words is "fifty-two million, one hundred ninety-three thousand, five hundred eleven".