55077055 has 8 divisors (see below), whose sum is σ = 72100944. Its totient is φ = 40056000.

The previous prime is 55077037. The next prime is 55077089.

55077055 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55077055 - 2¹⁵ = 55044287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55077055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500646 + ... + 500755.

It is an arithmetic number, because the mean of its divisors is an integer number (9012618).

Almost surely, 2^55077055 is an apocalyptic number.

55077055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55077055 is a deficient number, since it is larger than the sum of its proper divisors (17023889).

55077055 is a wasteful number, since it uses less digits than its factorization.

55077055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001417.

The product of its (nonzero) digits is 30625, while the sum is 34.

The square root of 55077055 is about 7421.3917158441. The cubic root of 55077055 is about 380.4727610823.

The spelling of 55077055 in words is "fifty-five million, seventy-seven thousand, fifty-five".