55767081 has 8 divisors (see below), whose sum is σ = 74412544. Its totient is φ = 37149840.

The previous prime is 55767053. The next prime is 55767113. The reversal of 55767081 is 18076755.

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

It is not a de Polignac number, because 55767081 - 2¹⁰ = 55766057 is a prime.

It is a super-2 number, since 2×55767081² = 6219934646521122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55767031) 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, 1906 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (9301568).

Almost surely, 2^55767081 is an apocalyptic number.

It is an amenable number.

55767081 is a deficient number, since it is larger than the sum of its proper divisors (18645463).

55767081 is a wasteful number, since it uses less digits than its factorization.

55767081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 55767081 is about 7467.7360022968. The cubic root of 55767081 is about 382.0550732435.

The spelling of 55767081 in words is "fifty-five million, seven hundred sixty-seven thousand, eighty-one".