52638551 has 16 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 44341440.

The previous prime is 52638541. The next prime is 52638557. The reversal of 52638551 is 15583625.

It is a cyclic number.

It is not a de Polignac number, because 52638551 - 2¹⁰ = 52637527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52638557) 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, 125420 + ... + 125838.

It is an arithmetic number, because the mean of its divisors is an integer number (3825360).

Almost surely, 2^52638551 is an apocalyptic number.

52638551 is a deficient number, since it is larger than the sum of its proper divisors (8567209).

52638551 is a wasteful number, since it uses less digits than its factorization.

52638551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694.

The product of its digits is 36000, while the sum is 35.

The square root of 52638551 is about 7255.2430007547. The cubic root of 52638551 is about 374.7727239123.

The spelling of 52638551 in words is "fifty-two million, six hundred thirty-eight thousand, five hundred fifty-one".