257750054 has 8 divisors (see below), whose sum is σ = 389185968. Its totient is φ = 128021400.

The previous prime is 257750047. The next prime is 257750099. The reversal of 257750054 is 450057752.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 257749996 and 257750023.

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, 426437 + ... + 427040.

It is an arithmetic number, because the mean of its divisors is an integer number (48648246).

Almost surely, 2^257750054 is an apocalyptic number.

257750054 is a deficient number, since it is larger than the sum of its proper divisors (131435914).

257750054 is a wasteful number, since it uses less digits than its factorization.

257750054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853630.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 257750054 is about 16054.5960397638. The cubic root of 257750054 is about 636.4040307531.

The spelling of 257750054 in words is "two hundred fifty-seven million, seven hundred fifty thousand, fifty-four".