55480953 has 8 divisors (see below), whose sum is σ = 80699616. Its totient is φ = 33624800.

The previous prime is 55480951. The next prime is 55480961. The reversal of 55480953 is 35908455.

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

It is not a de Polignac number, because 55480953 - 2¹ = 55480951 is a prime.

It is a super-3 number, since 3×55480953³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (55480951) 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, 840588 + ... + 840653.

It is an arithmetic number, because the mean of its divisors is an integer number (10087452).

Almost surely, 2^55480953 is an apocalyptic number.

It is an amenable number.

55480953 is a deficient number, since it is larger than the sum of its proper divisors (25218663).

55480953 is a wasteful number, since it uses less digits than its factorization.

55480953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681255.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 55480953 is about 7448.5537522394. The cubic root of 55480953 is about 381.4005404602.

The spelling of 55480953 in words is "fifty-five million, four hundred eighty thousand, nine hundred fifty-three".