54995765 has 32 divisors (see below), whose sum is σ = 76982400. Its totient is φ = 37273600.

The previous prime is 54995761. The next prime is 54995789. The reversal of 54995765 is 56759945.

It is a happy number.

It is not a de Polignac number, because 54995765 - 2² = 54995761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54995761) 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, 122261 + ... + 122709.

It is an arithmetic number, because the mean of its divisors is an integer number (2405700).

Almost surely, 2^54995765 is an apocalyptic number.

54995765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54995765 is a deficient number, since it is larger than the sum of its proper divisors (21986635).

54995765 is a wasteful number, since it uses less digits than its factorization.

54995765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its digits is 1701000, while the sum is 50.

The square root of 54995765 is about 7415.9129579574. The cubic root of 54995765 is about 380.2854849143.

The spelling of 54995765 in words is "fifty-four million, nine hundred ninety-five thousand, seven hundred sixty-five".