52049481 has 12 divisors (see below), whose sum is σ = 76282416. Its totient is φ = 31544920.

The previous prime is 52049471. The next prime is 52049537. The reversal of 52049481 is 18494025.

It is not a de Polignac number, because 52049481 - 2⁵ = 52049449 is a prime.

It is a super-2 number, since 2×52049481² = 5418296944738722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52049411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71331 + ... + 72056.

It is an arithmetic number, because the mean of its divisors is an integer number (6356868).

Almost surely, 2^52049481 is an apocalyptic number.

It is an amenable number.

52049481 is a deficient number, since it is larger than the sum of its proper divisors (24232935).

52049481 is a wasteful number, since it uses less digits than its factorization.

52049481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143412 (or 143401 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 52049481 is about 7214.5326251948. The cubic root of 52049481 is about 373.3694681400.

The spelling of 52049481 in words is "fifty-two million, forty-nine thousand, four hundred eighty-one".