53378700 has 36 divisors (see below), whose sum is σ = 154443240. Its totient is φ = 14234240.

The previous prime is 53378693. The next prime is 53378713. The reversal of 53378700 is 787335.

It is a super-2 number, since 2×53378700² = 5698571227380000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88665 + ... + 89264.

It is an arithmetic number, because the mean of its divisors is an integer number (4290090).

Almost surely, 2^53378700 is an apocalyptic number.

53378700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53378700 is an abundant number, since it is smaller than the sum of its proper divisors (101064540).

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

53378700 is a wasteful number, since it uses less digits than its factorization.

53378700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177946 (or 177939 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 53378700 is about 7306.0728165000. The cubic root of 53378700 is about 376.5211104741.

The spelling of 53378700 in words is "fifty-three million, three hundred seventy-eight thousand, seven hundred".