55261383 has 8 divisors (see below), whose sum is σ = 74262528. Its totient is φ = 36550584.

The previous prime is 55261379. The next prime is 55261391. The reversal of 55261383 is 38316255.

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

It is not a de Polignac number, because 55261383 - 2² = 55261379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55261363) 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, 72141 + ... + 72902.

It is an arithmetic number, because the mean of its divisors is an integer number (9282816).

Almost surely, 2^55261383 is an apocalyptic number.

55261383 is a deficient number, since it is larger than the sum of its proper divisors (19001145).

55261383 is a wasteful number, since it uses less digits than its factorization.

55261383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145173.

The product of its digits is 21600, while the sum is 33.

The square root of 55261383 is about 7433.8000376658. The cubic root of 55261383 is about 380.8967349185.

The spelling of 55261383 in words is "fifty-five million, two hundred sixty-one thousand, three hundred eighty-three".