55780035 has 8 divisors (see below), whose sum is σ = 89248080. Its totient is φ = 29749344.

The previous prime is 55780033. The next prime is 55780057. The reversal of 55780035 is 53008755.

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

It is not a de Polignac number, because 55780035 - 2¹ = 55780033 is a prime.

It is a super-2 number, since 2×55780035² = 6222824609202450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55779978 and 55780005.

It is not an unprimeable number, because it can be changed into a prime (55780031) 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, 1859320 + ... + 1859349.

It is an arithmetic number, because the mean of its divisors is an integer number (11156010).

Almost surely, 2^55780035 is an apocalyptic number.

55780035 is a deficient number, since it is larger than the sum of its proper divisors (33468045).

55780035 is a wasteful number, since it uses less digits than its factorization.

55780035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718677.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55780035 is about 7468.6032830778. The cubic root of 55780035 is about 382.0846531687.

The spelling of 55780035 in words is "fifty-five million, seven hundred eighty thousand, thirty-five".