78057054 has 32 divisors (see below), whose sum is σ = 182592000. Its totient is φ = 24649272.

The previous prime is 78057053. The next prime is 78057061. The reversal of 78057054 is 45075087.

78057054 is a `hidden beast` number, since 7 + 80 + 570 + 5 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78057053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37014 + ... + 39065.

It is an arithmetic number, because the mean of its divisors is an integer number (5706000).

Almost surely, 2^78057054 is an apocalyptic number.

78057054 is an abundant number, since it is smaller than the sum of its proper divisors (104534946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78057054 is a wasteful number, since it uses less digits than its factorization.

78057054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76109 (or 76103 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 78057054 is about 8834.9903225753. The cubic root of 78057054 is about 427.3700189629.

The spelling of 78057054 in words is "seventy-eight million, fifty-seven thousand, fifty-four".