52277477 has 4 divisors (see below), whose sum is σ = 59745696. Its totient is φ = 44809260.

The previous prime is 52277461. The next prime is 52277497. The reversal of 52277477 is 77477225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52277477 - 2⁴ = 52277461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52277497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734099 + ... + 3734112.

It is an arithmetic number, because the mean of its divisors is an integer number (14936424).

Almost surely, 2^52277477 is an apocalyptic number.

It is an amenable number.

52277477 is a deficient number, since it is larger than the sum of its proper divisors (7468219).

52277477 is an equidigital number, since it uses as much as digits as its factorization.

52277477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468218.

The product of its digits is 192080, while the sum is 41.

The square root of 52277477 is about 7230.3165214256. The cubic root of 52277477 is about 373.9138395706.

The spelling of 52277477 in words is "fifty-two million, two hundred seventy-seven thousand, four hundred seventy-seven".