55150077 has 8 divisors (see below), whose sum is σ = 73568416. Its totient is φ = 36749232.

The previous prime is 55150063. The next prime is 55150099. The reversal of 55150077 is 77005155.

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

It is not a de Polignac number, because 55150077 - 2⁴ = 55150061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150177) 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, 7938 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (9196052).

Almost surely, 2^55150077 is an apocalyptic number.

It is an amenable number.

55150077 is a deficient number, since it is larger than the sum of its proper divisors (18418339).

55150077 is a wasteful number, since it uses less digits than its factorization.

55150077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 55150077 is about 7426.3097834658. The cubic root of 55150077 is about 380.6408323580.

The spelling of 55150077 in words is "fifty-five million, one hundred fifty thousand, seventy-seven".