101553380 has 24 divisors (see below), whose sum is σ = 213581760. Its totient is φ = 40560480.

The previous prime is 101553343. The next prime is 101553383. The reversal of 101553380 is 83355101.

It is not an unprimeable number, because it can be changed into a prime (101553383) 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, 11345 + ... + 18215.

It is an arithmetic number, because the mean of its divisors is an integer number (8899240).

Almost surely, 2^101553380 is an apocalyptic number.

101553380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101553380 is an abundant number, since it is smaller than the sum of its proper divisors (112028380).

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

101553380 is a wasteful number, since it uses less digits than its factorization.

101553380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619 (or 7617 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 101553380 is about 10077.3696965032. The cubic root of 101553380 is about 466.5499288501.

The spelling of 101553380 in words is "one hundred one million, five hundred fifty-three thousand, three hundred eighty".