55377069 has 8 divisors (see below), whose sum is σ = 80548512. Its totient is φ = 33561840.

The previous prime is 55377059. The next prime is 55377071. The reversal of 55377069 is 96077355.

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

It is not a de Polignac number, because 55377069 - 2⁴ = 55377053 is a prime.

It is a super-2 number, since 2×55377069² = 6133239542061522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55377069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55377029) 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, 839014 + ... + 839079.

It is an arithmetic number, because the mean of its divisors is an integer number (10068564).

Almost surely, 2^55377069 is an apocalyptic number.

It is an amenable number.

55377069 is a deficient number, since it is larger than the sum of its proper divisors (25171443).

55377069 is a wasteful number, since it uses less digits than its factorization.

55377069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678107.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 55377069 is about 7441.5770505989. The cubic root of 55377069 is about 381.1623435851.

The spelling of 55377069 in words is "fifty-five million, three hundred seventy-seven thousand, sixty-nine".