55753761 has 32 divisors (see below), whose sum is σ = 91514880. Its totient is φ = 29465856.

The previous prime is 55753759. The next prime is 55753787. The reversal of 55753761 is 16735755.

It is a happy number.

It is not a de Polignac number, because 55753761 - 2¹ = 55753759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55755761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19740 + ... + 22386.

It is an arithmetic number, because the mean of its divisors is an integer number (2859840).

Almost surely, 2^55753761 is an apocalyptic number.

55753761 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55753761 is a deficient number, since it is larger than the sum of its proper divisors (35761119).

55753761 is a wasteful number, since it uses less digits than its factorization.

55753761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its digits is 110250, while the sum is 39.

The square root of 55753761 is about 7466.8441124748. The cubic root of 55753761 is about 382.0246527953.

The spelling of 55753761 in words is "fifty-five million, seven hundred fifty-three thousand, seven hundred sixty-one".