52400755 has 8 divisors (see below), whose sum is σ = 68597424. Its totient is φ = 38109600.

The previous prime is 52400753. The next prime is 52400771. The reversal of 52400755 is 55700425.

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

It is not a de Polignac number, because 52400755 - 2¹ = 52400753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52400753) 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, 476316 + ... + 476425.

It is an arithmetic number, because the mean of its divisors is an integer number (8574678).

Almost surely, 2^52400755 is an apocalyptic number.

52400755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52400755 is a deficient number, since it is larger than the sum of its proper divisors (16196669).

52400755 is a wasteful number, since it uses less digits than its factorization.

52400755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952757.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 52400755 is about 7238.8365777934. The cubic root of 52400755 is about 374.2075234994.

The spelling of 52400755 in words is "fifty-two million, four hundred thousand, seven hundred fifty-five".