52878550 has 48 divisors (see below), whose sum is σ = 102372912. Its totient is φ = 20304000.

The previous prime is 52878547. The next prime is 52878557. The reversal of 52878550 is 5587825.

It is a super-2 number, since 2×52878550² = 5592282100205000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 186709 + ... + 186991.

It is an arithmetic number, because the mean of its divisors is an integer number (2132769).

Almost surely, 2^52878550 is an apocalyptic number.

52878550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52878550 is a deficient number, since it is larger than the sum of its proper divisors (49494362).

52878550 is a wasteful number, since it uses less digits than its factorization.

52878550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 52878550 is about 7271.7638850557. The cubic root of 52878550 is about 375.3414371755.

The spelling of 52878550 in words is "fifty-two million, eight hundred seventy-eight thousand, five hundred fifty".