55152078 has 8 divisors (see below), whose sum is σ = 110304168. Its totient is φ = 18384024.

The previous prime is 55152073. The next prime is 55152133. The reversal of 55152078 is 87025155.

It is a happy number.

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

55152078 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596001 + ... + 4596012.

It is an arithmetic number, because the mean of its divisors is an integer number (13788021).

Almost surely, 2^55152078 is an apocalyptic number.

55152078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55152078 is a wasteful number, since it uses less digits than its factorization.

55152078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192018.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 55152078 is about 7426.4445059530. Note that the first 3 decimals coincide. The cubic root of 55152078 is about 380.6454358758.

The spelling of 55152078 in words is "fifty-five million, one hundred fifty-two thousand, seventy-eight".