52878551 has 8 divisors (see below), whose sum is σ = 61079184. Its totient is φ = 45243520.

The previous prime is 52878547. The next prime is 52878557. The reversal of 52878551 is 15587825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52878551 - 2² = 52878547 is a prime.

It is a super-2 number, since 2×52878551² = 5592282311719202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52878499 and 52878508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52878557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141200 + ... + 141573.

It is an arithmetic number, because the mean of its divisors is an integer number (7634898).

Almost surely, 2^52878551 is an apocalyptic number.

52878551 is a deficient number, since it is larger than the sum of its proper divisors (8200633).

52878551 is a wasteful number, since it uses less digits than its factorization.

52878551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282801.

The product of its digits is 112000, while the sum is 41.

The square root of 52878551 is about 7271.7639538148. The cubic root of 52878551 is about 375.3414395416.

The spelling of 52878551 in words is "fifty-two million, eight hundred seventy-eight thousand, five hundred fifty-one".