2554545478 has 8 divisors (see below), whose sum is σ = 4033492920. Its totient is φ = 1210047840.

The previous prime is 2554545449. The next prime is 2554545481. The reversal of 2554545478 is 8745454552.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33612403 + ... + 33612478.

It is an arithmetic number, because the mean of its divisors is an integer number (504186615).

Almost surely, 2^2554545478 is an apocalyptic number.

2554545478 is a deficient number, since it is larger than the sum of its proper divisors (1478947442).

2554545478 is a wasteful number, since it uses less digits than its factorization.

2554545478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67224902.

The product of its digits is 4480000, while the sum is 49.

The square root of 2554545478 is about 50542.5115917284. The cubic root of 2554545478 is about 1367.0084934240.

The spelling of 2554545478 in words is "two billion, five hundred fifty-four million, five hundred forty-five thousand, four hundred seventy-eight".