55026861 has 8 divisors (see below), whose sum is σ = 73520544. Its totient is φ = 36608880.

The previous prime is 55026859. The next prime is 55026871. The reversal of 55026861 is 16862055.

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

It is not a de Polignac number, because 55026861 - 2¹ = 55026859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55026871) 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, 17206 + ... + 20151.

It is an arithmetic number, because the mean of its divisors is an integer number (9190068).

Almost surely, 2^55026861 is an apocalyptic number.

It is an amenable number.

55026861 is a deficient number, since it is larger than the sum of its proper divisors (18493683).

55026861 is a wasteful number, since it uses less digits than its factorization.

55026861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37851.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 55026861 is about 7418.0092342892. The cubic root of 55026861 is about 380.3571457616.

The spelling of 55026861 in words is "fifty-five million, twenty-six thousand, eight hundred sixty-one".