52774749 has 48 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 31441920.

The previous prime is 52774747. The next prime is 52774753. The reversal of 52774749 is 94747725.

It is not a de Polignac number, because 52774749 - 2¹ = 52774747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52774747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 294742 + ... + 294920.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^52774749 is an apocalyptic number.

It is an amenable number.

52774749 is a deficient number, since it is larger than the sum of its proper divisors (32139171).

52774749 is a wasteful number, since it uses less digits than its factorization.

52774749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 287 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 52774749 is about 7264.6231147940. The cubic root of 52774749 is about 375.0956769204.

The spelling of 52774749 in words is "fifty-two million, seven hundred seventy-four thousand, seven hundred forty-nine".