55069764 has 48 divisors (see below), whose sum is σ = 136260096. Its totient is φ = 17280000.

The previous prime is 55069741. The next prime is 55069769. The reversal of 55069764 is 46796055.

It is not an unprimeable number, because it can be changed into a prime (55069769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11764 + ... + 15764.

It is an arithmetic number, because the mean of its divisors is an integer number (2838752).

Almost surely, 2^55069764 is an apocalyptic number.

It is an amenable number.

55069764 is an abundant number, since it is smaller than the sum of its proper divisors (81190332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55069764 is a wasteful number, since it uses less digits than its factorization.

55069764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4074 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 55069764 is about 7420.9004844426. The cubic root of 55069764 is about 380.4559715783.

The spelling of 55069764 in words is "fifty-five million, sixty-nine thousand, seven hundred sixty-four".